parsav  Check-in [03ea3dffe7]

		params = {uint64}, sql = [[
			select domain, key, knownsince, parsav from parsav_servers
				where id = $1::bigint
		]];
	};

	conf_get = {
		params = {rawstring}, sql = [[
			select value from parsav_config
				where key = $1::text limit 1
		]];
	};

	conf_set = {
		params = {rawstring,rawstring}, cmd=true, sql = [[
			insert into parsav_config (key, value)
				values ($1::text, $2::text)
				on conflict (key) do update set value = $2::text
		]];
	};

	conf_reset = {
................................................................................
		params = {uint64,uint64}, sql = [[
			select name, id, owner, array_length(members,1) from parsav_circles where
				($1::bigint = 0 or $1::bigint = owner) and
				($2::bigint = 0 or $2::bigint = id)
		]];
	};

















	circle_members_fetch_cid = {
		params = {uint64, uint64}, sql = [[








			select unnest(members) from parsav_circles where
				($1::bigint = 0 or owner = $1::bigint) and
				id = $2::bigint
		]];
	};

	circle_members_fetch_name = {
		params = {uint64, pstring}, sql = [[
			select unnest(members) from parsav_circles where
				($1::bigint = 0 or owner = $1::bigint) and
				name = $2::text
		]];
................................................................................
			order by c.tltime desc

			limit case when $3::bigint = 0 then null
					   else $3::bigint end
			offset $4::bigint
		]];
	};























	timeline_actor_fetch = {
		params = {uint64, uint64, uint64, uint64, uint64}, sql = [[
			with followed as (
				select relatee from parsav_rels where
					kind = <rel:follow> and
					relator = $1::bigint
			), avoided as (
				select relatee as avoidee from parsav_rels where
					kind = <rel:avoid> or kind = <rel:mute> and
					relator = $1::bigint
				union select relator as avoidee from parsav_rels where
					kind = <rel:exclude> and
					relatee = $1::bigint
			)
................................................................................
			select (c.post).*
			from pg_temp.parsavpg_known_content as c

			where ($2::bigint = 0 or c.tltime   <= $2::bigint) and
				  ($3::bigint = 0 or $3::bigint <  c.tltime) and
				  (c.promoter in (table followed) or
				   c.promoter = $1::bigint) and
				  not ((c.post).author in (table avoided))

			order by c.tltime desc

			limit case when $4::bigint = 0 then null
					   else $4::bigint end
			offset $5::bigint
		]];
	};
................................................................................
				artifacts = array_remove(artifacts, $2::bigint)
			where id = $1::bigint and
				artifacts @> array[$2::bigint]
		]];
	};

	actor_conf_str_get = {
		params = {uint64, rawstring}, sql = [[
			select value from parsav_actor_conf_strs where
				uid = $1::bigint and
				key = $2::text
			limit 1
		]];
	};
	actor_conf_str_set = {
		params = {uint64, rawstring, rawstring}, cmd = true, sql = [[
			insert into parsav_actor_conf_strs (uid,key,value)
				values ($1::bigint, $2::text, $3::text)
			on conflict (uid,key) do update set value = $3::text
		]];
	};
	actor_conf_str_enum = {
		params = {uint64}, sql = [[
			select value from parsav_actor_conf_strs where uid = $1::bigint
		]];
	};
	actor_conf_str_reset = {
		params = {uint64, rawstring}, cmd = true, sql = [[
			delete from parsav_actor_conf_strs where
				uid = $1::bigint and ($2::text is null or key = $2::text)
		]]
	};

	actor_conf_int_get = {
		params = {uint64, rawstring}, sql = [[
			select value from parsav_actor_conf_ints where
				uid = $1::bigint and
				key = $2::text
			limit 1
		]];
	};
	actor_conf_int_set = {
		params = {uint64, rawstring, uint64}, cmd = true, sql = [[
			insert into parsav_actor_conf_ints (uid,key,value)
				values ($1::bigint, $2::text, $3::bigint)
			on conflict (uid,key) do update set value = $3::bigint
		]];
	};
	actor_conf_int_enum = {
		params = {uint64}, sql = [[
			select value from parsav_actor_conf_ints where uid = $1::bigint
		]];
	};
	actor_conf_int_reset = {
		params = {uint64, rawstring}, cmd = true, sql = [[
			delete from parsav_actor_conf_ints where
				uid = $1::bigint and ($2::text is null or key = $2::text)
		]]
	};
}

local struct pqr {
................................................................................
			return true
		else
			lib.warn('backend pgsql - failed to obliterate database: \n', lib.pq.PQresultErrorMessage(res))
			return false
		end
	end];

	conf_get = [terra(src: &lib.store.source, key: rawstring)
		var r = queries.conf_get.exec(src, key)
		if r.sz == 0 then return [lib.mem.ptr(int8)] { ptr = nil, ct = 0 } else
			defer r:free()
			return r:String(0,0)
		end
	end];
	conf_set = [terra(src: &lib.store.source, key: rawstring, val: rawstring)
		queries.conf_set.exec(src, key, val):free() end];
	conf_reset = [terra(src: &lib.store.source, key: rawstring)
		queries.conf_reset.exec(src, key):free() end];
	
	actor_fetch_uid = [terra(src: &lib.store.source, uid: uint64)
		var r = queries.actor_fetch_uid.exec(src, uid)
		if r.sz == 0 then
................................................................................
	timeline_instance_fetch = [terra(
		src: &lib.store.source,
		rg: lib.store.range
	): lib.mem.lstptr(lib.store.post)
		var r = pqr { sz = 0 }
		var A,B,C,D = rg:matrix() -- :/
		r = queries.timeline_instance_fetch.exec(src,A,B,C,D)


















		
		var ret: lib.mem.ptr(lib.mem.ptr(lib.store.post)) ret:init(r.sz)
		for i=0,r.sz do
			ret.ptr[i] = row_to_post(&r, i) -- MUST FREE ALL
			ret.ptr[i].ptr.source = src
		end

................................................................................
	auth_sigtime_user_alter = [terra(
		src: &lib.store.source,
		uid: uint64,
		time: lib.store.timepoint
	): {} queries.auth_sigtime_user_alter.exec(src, uid, time) end];

	actor_conf_str_enum = nil;
	actor_conf_str_get = [terra(src: &lib.store.source, uid: uint64, key: rawstring): pstring





			var r = queries.actor_conf_str_get.exec(src, uid, key)
			if r.sz > 0 then
				var ret = r:String(0,0)
				r:free()
				return ret
			else return pstring.null() end
		end];
	actor_conf_str_set = [terra(src: &lib.store.source, uid: uint64, key: rawstring, value: rawstring): {}
			queries.actor_conf_str_set.exec(src,uid,key,value) end];
	actor_conf_str_reset = [terra(src: &lib.store.source, uid: uint64, key: rawstring): {}
			queries.actor_conf_str_reset.exec(src,uid,key) end];

	actor_conf_int_enum = nil;
	actor_conf_int_get = [terra(src: &lib.store.source, uid: uint64, key: rawstring)
			var r = queries.actor_conf_int_get.exec(src, uid, key)
			if r.sz > 0 then
				var ret = r:int(uint64,0,0)
				r:free()
				return ret, true
			end
			return 0, false
		end];
	actor_conf_int_set = [terra(src: &lib.store.source, uid: uint64, key: rawstring, value: uint64): {}
			queries.actor_conf_int_set.exec(src,uid,key,value) end];
	actor_conf_int_reset = [terra(src: &lib.store.source, uid: uint64, key: rawstring): {}
			queries.actor_conf_int_reset.exec(src,uid,key) end];
	
	circle_search = [terra(
		src: &lib.store.source,
		pool:&lib.mem.pool,
		uid: uint64,
		cid: uint64
................................................................................
		if res.sz == 0 then return [lib.mem.ptr(lib.store.circle)].null() end
		defer res:free()

		var rt = pool:alloc(lib.store.circle, res.sz)
		for i = 0, res.sz do
			var name = res:_string(i,0)
			rt(i) = lib.store.circle {
				name = name:pdup(pool);
				cid = res:int(uint64,i,1);




































				owner = res:int(uint64,i,2);
				memcount = res:int(uint64,i,3);
			}
		end

		return rt
	end];

	circle_members_fetch_cid = [terra(
		src: &lib.store.source,
		pool:&lib.mem.pool,
		uid: uint64,
		cid: uint64
	): lib.mem.ptr(uint64)
		var res = queries.circle_members_fetch_cid.exec(src,uid,cid)
		if res.sz == 0 then return [lib.mem.ptr(uint64)].null() end
		defer res:free()

		var rt = pool:alloc(uint64, res.sz)
		for i = 0, res.sz do rt(i) = res:int(uint64,i,0) end

		return rt
	end];

	actor_auth_register_uid = nil; -- TODO better support non-view based auth
}

return b

		params = {uint64}, sql = [[
			select domain, key, knownsince, parsav from parsav_servers
				where id = $1::bigint
		]];
	};

	conf_get = {
		params = {pstring}, sql = [[
			select value from parsav_config
				where key = $1::text limit 1
		]];
	};

	conf_set = {
		params = {pstring,pstring}, cmd=true, sql = [[
			insert into parsav_config (key, value)
				values ($1::text, $2::text)
				on conflict (key) do update set value = $2::text
		]];
	};

	conf_reset = {
................................................................................
		params = {uint64,uint64}, sql = [[
			select name, id, owner, array_length(members,1) from parsav_circles where
				($1::bigint = 0 or $1::bigint = owner) and
				($2::bigint = 0 or $2::bigint = id)
		]];
	};

	circle_create = {
		params = {uint64,pstring}, sql = [[
			insert into parsav_circles (owner,name)
				values ($1::bigint, $2::text)
			returning id
		]];
	};

	circle_destroy = {
		params = {uint64,uint64}, cmd = true, sql = [[
			delete from parsav_circles where
				owner = $1::bigint and
				id = $2::bigint
		]];
	};

	circle_memberships_uid = {
		params = {uint64, uint64}, sql = [[
			select name, id, owner, array_length(members,1) from parsav_circles where
				owner   =  $1::bigint and
				members @> array[$2::bigint]
		]];
	};

	circle_members_fetch_cid = {
		params = {uint64}, sql = [[
			select unnest(members) from parsav_circles where

				id = $1::bigint
		]];
	};

	circle_members_fetch_name = {
		params = {uint64, pstring}, sql = [[
			select unnest(members) from parsav_circles where
				($1::bigint = 0 or owner = $1::bigint) and
				name = $2::text
		]];
................................................................................
			order by c.tltime desc

			limit case when $3::bigint = 0 then null
					   else $3::bigint end
			offset $4::bigint
		]];
	};

	timeline_circle_fetch = {
		params = {uint64, uint64, uint64, uint64, uint64}, sql = [[
			with circle as (
				select unnest(members) from parsav_circles where id = $1::bigint
			)

			select (c.post).*
			from pg_temp.parsavpg_known_content as c

			where ($2::bigint = 0 or c.tltime   <= $2::bigint) and
				  ($3::bigint = 0 or $3::bigint <  c.tltime) and
				  (c.promoter in (table circle) or
				   c.promoter = (select owner from parsav_circles where id = $1::bigint))

			order by c.tltime desc

			limit case when $4::bigint = 0 then null
					   else $4::bigint end
			offset $5::bigint
		]];
	};

	timeline_actor_fetch = {
		params = {uint64, uint64, uint64, uint64, uint64}, sql = [[
			with followed as (
				select relatee from parsav_rels where
					kind = <rel:follow> and
					relator = $1::bigint
			), avoided as ( -- not strictly necessary but lets us minimize how much data needs to be sent back to parsav for filtering
				select relatee as avoidee from parsav_rels where
					kind = <rel:avoid> or kind = <rel:mute> and
					relator = $1::bigint
				union select relator as avoidee from parsav_rels where
					kind = <rel:exclude> and
					relatee = $1::bigint
			)
................................................................................
			select (c.post).*
			from pg_temp.parsavpg_known_content as c

			where ($2::bigint = 0 or c.tltime   <= $2::bigint) and
				  ($3::bigint = 0 or $3::bigint <  c.tltime) and
				  (c.promoter in (table followed) or
				   c.promoter = $1::bigint) and
				  not ((c.post).author in (table avoided)) and
				  not (c.promoter      in (table avoided))
			order by c.tltime desc

			limit case when $4::bigint = 0 then null
					   else $4::bigint end
			offset $5::bigint
		]];
	};
................................................................................
				artifacts = array_remove(artifacts, $2::bigint)
			where id = $1::bigint and
				artifacts @> array[$2::bigint]
		]];
	};

	actor_conf_str_get = {
		params = {uint64, pstring}, sql = [[
			select value from parsav_actor_conf_strs where
				uid = $1::bigint and
				key = $2::text
			limit 1
		]];
	};
	actor_conf_str_set = {
		params = {uint64, pstring, pstring}, cmd = true, sql = [[
			insert into parsav_actor_conf_strs (uid,key,value)
				values ($1::bigint, $2::text, $3::text)
			on conflict (uid,key) do update set value = $3::text
		]];
	};
	actor_conf_str_enum = {
		params = {uint64}, sql = [[
			select value from parsav_actor_conf_strs where uid = $1::bigint
		]];
	};
	actor_conf_str_reset = {
		params = {uint64, pstring}, cmd = true, sql = [[
			delete from parsav_actor_conf_strs where
				uid = $1::bigint and ($2::text is null or key = $2::text)
		]]
	};

	actor_conf_int_get = {
		params = {uint64, pstring}, sql = [[
			select value from parsav_actor_conf_ints where
				uid = $1::bigint and
				key = $2::text
			limit 1
		]];
	};
	actor_conf_int_set = {
		params = {uint64, pstring, uint64}, cmd = true, sql = [[
			insert into parsav_actor_conf_ints (uid,key,value)
				values ($1::bigint, $2::text, $3::bigint)
			on conflict (uid,key) do update set value = $3::bigint
		]];
	};
	actor_conf_int_enum = {
		params = {uint64}, sql = [[
			select value from parsav_actor_conf_ints where uid = $1::bigint
		]];
	};
	actor_conf_int_reset = {
		params = {uint64, pstring}, cmd = true, sql = [[
			delete from parsav_actor_conf_ints where
				uid = $1::bigint and ($2::text is null or key = $2::text)
		]]
	};
}

local struct pqr {
................................................................................
			return true
		else
			lib.warn('backend pgsql - failed to obliterate database: \n', lib.pq.PQresultErrorMessage(res))
			return false
		end
	end];

	conf_get = [terra(src: &lib.store.source, key: pstring)
		var r = queries.conf_get.exec(src, key)
		if r.sz == 0 then return [lib.mem.ptr(int8)] { ptr = nil, ct = 0 } else
			defer r:free()
			return r:String(0,0)
		end
	end];
	conf_set = [terra(src: &lib.store.source, key: pstring, val: pstring)
		queries.conf_set.exec(src, key, val):free() end];
	conf_reset = [terra(src: &lib.store.source, key: rawstring)
		queries.conf_reset.exec(src, key):free() end];
	
	actor_fetch_uid = [terra(src: &lib.store.source, uid: uint64)
		var r = queries.actor_fetch_uid.exec(src, uid)
		if r.sz == 0 then
................................................................................
	timeline_instance_fetch = [terra(
		src: &lib.store.source,
		rg: lib.store.range
	): lib.mem.lstptr(lib.store.post)
		var r = pqr { sz = 0 }
		var A,B,C,D = rg:matrix() -- :/
		r = queries.timeline_instance_fetch.exec(src,A,B,C,D)
		
		var ret: lib.mem.ptr(lib.mem.ptr(lib.store.post)) ret:init(r.sz)
		for i=0,r.sz do
			ret.ptr[i] = row_to_post(&r, i) -- MUST FREE ALL
			ret.ptr[i].ptr.source = src
		end

		return ret
	end];

	timeline_circle_fetch = [terra(
		src: &lib.store.source,
		cid: uint64,
		rg: lib.store.range
	): lib.mem.lstptr(lib.store.post)
		var r = pqr { sz = 0 }
		var A,B,C,D = rg:matrix() -- :/
		r = queries.timeline_circle_fetch.exec(src,cid,A,B,C,D)
		
		var ret: lib.mem.ptr(lib.mem.ptr(lib.store.post)) ret:init(r.sz)
		for i=0,r.sz do
			ret.ptr[i] = row_to_post(&r, i) -- MUST FREE ALL
			ret.ptr[i].ptr.source = src
		end

................................................................................
	auth_sigtime_user_alter = [terra(
		src: &lib.store.source,
		uid: uint64,
		time: lib.store.timepoint
	): {} queries.auth_sigtime_user_alter.exec(src, uid, time) end];

	actor_conf_str_enum = nil;
	actor_conf_str_get = [terra(
		src: &lib.store.source,
		pool: &lib.mem.pool,
		uid: uint64,
		key: pstring
	): pstring
			var r = queries.actor_conf_str_get.exec(src, uid, key)
			if r.sz > 0 then


				return r:_string(0,0):pdup(pool)
			else return pstring.null() end
		end];
	actor_conf_str_set = [terra(src: &lib.store.source, uid: uint64, key: pstring, value: pstring): {}
			queries.actor_conf_str_set.exec(src,uid,key,value) end];
	actor_conf_str_reset = [terra(src: &lib.store.source, uid: uint64, key: pstring): {}
			queries.actor_conf_str_reset.exec(src,uid,key) end];

	actor_conf_int_enum = nil;
	actor_conf_int_get = [terra(src: &lib.store.source, uid: uint64, key: pstring)
			var r = queries.actor_conf_int_get.exec(src, uid, key)
			if r.sz > 0 then
				var ret = r:int(uint64,0,0)
				r:free()
				return ret, true
			end
			return 0, false
		end];
	actor_conf_int_set = [terra(src: &lib.store.source, uid: uint64, key: pstring, value: uint64): {}
			queries.actor_conf_int_set.exec(src,uid,key,value) end];
	actor_conf_int_reset = [terra(src: &lib.store.source, uid: uint64, key: pstring): {}
			queries.actor_conf_int_reset.exec(src,uid,key) end];
	
	circle_search = [terra(
		src: &lib.store.source,
		pool:&lib.mem.pool,
		uid: uint64,
		cid: uint64
................................................................................
		if res.sz == 0 then return [lib.mem.ptr(lib.store.circle)].null() end
		defer res:free()

		var rt = pool:alloc(lib.store.circle, res.sz)
		for i = 0, res.sz do
			var name = res:_string(i,0)
			rt(i) = lib.store.circle {
				name = name:pdup(pool);      cid = res:int(uint64,i,1);
				owner = res:int(uint64,i,2); memcount = res:int(uint64,i,3);
			}
		end

		return rt
	end];

	circle_create = [terra(
		src: &lib.store.source,
		owner: uint64,
		name: pstring
	): uint64
		var r = queries.circle_create.exec(src, owner, name)
		if r.sz > 0 then defer r:free() return r:int(uint64,0,0) end
		return 0
	end];

	circle_destroy = [terra(
		src: &lib.store.source,
		owner: uint64,
		cid: uint64
	): {} queries.circle_destroy.exec(src, owner, cid) end];

	circle_memberships_uid = [terra(
		src: &lib.store.source,
		pool:&lib.mem.pool,
		owner: uint64,
		subject: uint64
	): lib.mem.ptr(lib.store.circle)
		var res = queries.circle_memberships_uid.exec(src, owner, subject)
		if res.sz == 0 then return [lib.mem.ptr(lib.store.circle)].null() end
		defer res:free()

		var rt = pool:alloc(lib.store.circle, res.sz)
		for i = 0, res.sz do
			var name = res:_string(i,0)
			rt(i) = lib.store.circle {
				name = name:pdup(pool);      cid = res:int(uint64,i,1);
				owner = res:int(uint64,i,2); memcount = res:int(uint64,i,3);
			}
		end

		return rt
	end];

	circle_members_fetch_cid = [terra(
		src: &lib.store.source,
		pool:&lib.mem.pool,

		cid: uint64
	): lib.mem.ptr(uint64)
		var res = queries.circle_members_fetch_cid.exec(src,cid)
		if res.sz == 0 then return [lib.mem.ptr(uint64)].null() end
		defer res:free()

		var rt = pool:alloc(uint64, res.sz)
		for i = 0, res.sz do rt(i) = res:int(uint64,i,0) end

		return rt
	end];

	actor_auth_register_uid = nil; -- TODO better support non-view based auth
}

return b

		-- TODO with gzip compression, svg is dramatically superior to webp
		-- we should add support for content-encoding headers and pre-compress
		-- the damn things before compiling (also making the binary smaller)
		{'style.css', 'text/css'};
		{'live.js', 'text/javascript'}; -- rrrrrrrr
		{'default-avatar.webp', 'image/webp'}; -- needs inkscape-exclusive svg features
		{'bell.svg', 'image/svg+xml'};

		{'heart.webp', 'image/webp'};
		{'retweet.webp', 'image/webp'};
		{'padlock.svg', 'image/svg+xml'};
		{'warn.svg', 'image/svg+xml'};
		{'query.webp', 'image/webp'};
		{'reply.webp', 'image/webp'};
		{'file.webp', 'image/webp'};

		-- TODO with gzip compression, svg is dramatically superior to webp
		-- we should add support for content-encoding headers and pre-compress
		-- the damn things before compiling (also making the binary smaller)
		{'style.css', 'text/css'};
		{'live.js', 'text/javascript'}; -- rrrrrrrr
		{'default-avatar.webp', 'image/webp'}; -- needs inkscape-exclusive svg features
		{'bell.svg', 'image/svg+xml'};
		{'gear.svg', 'image/svg+xml'};
		{'heart.webp', 'image/webp'};
		{'retweet.webp', 'image/webp'};
		{'padlock.svg', 'image/svg+xml'};
		{'warn.svg', 'image/svg+xml'};
		{'query.webp', 'image/webp'};
		{'reply.webp', 'image/webp'};
		{'file.webp', 'image/webp'};

	end
	terra t.methods.null(): t return t { ptr = nil, ct = 0 } end -- maybe should be a macro?
	terra t:ref() return self.ptr ~= nil end
	t.metamethods.__not = macro(function(self) return `not self:ref() end)
	t.metamethods.__apply = macro(function(self,idx) return `self.ptr[ [idx or 0] ] end)
	t.metamethods.__update = macro(function(self,idx,rhs)
		return quote self.ptr[idx] = rhs end end)


















	if not ty:isstruct() then
		terra t:cmp_raw(other: &ty)
			for i=0, self.ct do
				if self.ptr[i] ~= other[i] then return false end
			end
			return true

	end
	terra t.methods.null(): t return t { ptr = nil, ct = 0 } end -- maybe should be a macro?
	terra t:ref() return self.ptr ~= nil end
	t.metamethods.__not = macro(function(self) return `not self:ref() end)
	t.metamethods.__apply = macro(function(self,idx) return `self.ptr[ [idx or 0] ] end)
	t.metamethods.__update = macro(function(self,idx,rhs)
		return quote self.ptr[idx] = rhs end end)
	t.metamethods.__cast = function(from,to,exp)
		if to == t then
			if from == niltype then return `t.null()
			elseif from == &ty then return `t {ptr = exp, ct = 1}
			elseif from == ty then return `t {ptr = &exp, ct = 1}
			elseif from.N and from.type == ty then
				return `t {ptr = &exp[0], ct = from.N }
			end
			error('invalid cast to ' .. t.name .. ' from ' .. tostring(from))
		elseif from == t then
			if     to == &ty  then return `exp.ptr
			elseif to == ty   then return `@exp.ptr
			elseif to == bool then return `exp:ref() end
			error('invalid cast from ' .. t.name .. ' to ' .. tostring(to))
		end
		error('invalid pointer cast')
	end

	if not ty:isstruct() then
		terra t:cmp_raw(other: &ty)
			for i=0, self.ct do
				if self.ptr[i] ~= other[i] then return false end
			end
			return true

* ldap for auth (and maybe actors?)
* cdb (for static content, maybe? does this make sense?)
* mariadb/mysql
* the various nosql horrors, e.g. redis, mongo, and so on

parsav urgently needs an internationalization framework as well. right now everything is just hardcoded in english. yuck.

parsav could be significantly improved by adjusting its memory management strategy. instead of allocating everything with lib.mem.heapa (which currently maps to malloc on all platforms), we should allocate a static buffer for the server overlord object which can simply be cleared and re-used for each http request, and enlarged with `realloc` when necessary. the entire region could be `mlock`ed for better performance, and it would no longer be necessary to track and free memory, as the entire buffer would simply be discarded after use (similar to PHP's original memory management strategy). this would remove possibly the largest source of latency in the codebase, as `parsav` is regrettably quite heavy on malloc, performing numerous allocations for each page rendered. **update:** this is now in progress

* ldap for auth (and maybe actors?)
* cdb (for static content, maybe? does this make sense?)
* mariadb/mysql
* the various nosql horrors, e.g. redis, mongo, and so on

parsav urgently needs an internationalization framework as well. right now everything is just hardcoded in english. yuck.

parsav could be significantly improved by adjusting its memory management strategy. instead of allocating everything with lib.mem.heapa (which currently maps to malloc on all platforms), we can allocate a static buffer for the server overlord object which can simply be cleared and re-used for each http request, and enlarged with `realloc` when necessary. the entire region could be `mlock`ed for better performance, and it would no longer be necessary to track and free memory, as the entire buffer would simply be discarded after use (similar to PHP's original memory management strategy). this would remove possibly the largest source of latency in the codebase, as `parsav` is regrettably quite heavy on malloc, performing numerous allocations for each page rendered. **update:** this is now in progress, and much of the UI code has been converted; the database code will also need to be converted, however, and this will be too time-consuming to be worth tackling any time soon. new functions should be written to use the memory pooling strategy, however.

	'render:notices';

	'render:media-gallery';

	'render:docpage';

	'render:conf:profile';

	'render:conf:sec';
	'render:conf:users';
	'render:conf:avi';
	'render:conf';
	'route';
}

	'render:notices';

	'render:media-gallery';

	'render:docpage';

	'render:conf:profile';
	'render:conf:circles';
	'render:conf:sec';
	'render:conf:users';
	'render:conf:avi';
	'render:conf';
	'route';
}

-- vim: ft=terra
local pstr = lib.mem.ptr(int8)
local pref = lib.mem.ref(int8)


local terra 
render_conf_circles(co: &lib.srv.convo, path: lib.mem.ptr(pref)): pstr
	if path.ct == 2 then
		var circs = co.srv:circle_search(&co.srv.pool, co.who.id, 0)
		var ui: data.view.conf_circles
		if circs.ct == 0 then
			ui.newattr = ' open';
		else
			ui.newattr = '';
			var circlst = co:stra(86)
			for i = 0, circs.ct do
				circlst:lpush '<li><a href="/conf/circles/':shpush(circs(i).cid):lpush'">'
					   :ppush(circs(i).name)
					   :lpush '</a></li>'
			end
			ui.circles = circlst:finalize()
		end

		return ui:poolstr(&co.srv.pool)
	elseif path.ct == 3 then
		var cid, cid_ok = lib.math.shorthand.parse(path(2).ptr, path(2).ct)
		if not cid_ok then return pstr.null() end
		var circ = co.srv:circle_search(&co.srv.pool, co.who.id, cid)
		if not circ then return pstr.null() end
		var actrs = co.srv:circle_members_fetch_cid(&co.srv.pool, cid)

		var acta = co:stra(86)
		if actrs:ref() then
			for i=0, actrs.ct do
				var a = co:uid2actor(actrs(i))
				if a ~= nil then
					acta:lpush '<li><a class="username" href="/':push(a.xid,0):lpush '#rel">'
					lib.render.nym(a, 0, &acta, false)
					acta:lpush '</a></li>'
				end
			end
		end

		var ui = data.view.conf_circle_view {
			circle = circ().name;
			actors = acta:finalize();
		}

		return ui:poolstr(&co.srv.pool)
	else return pstr.null() end
end

return render_conf_circles

render_conf_profile(co: &lib.srv.convo, path: lib.mem.ptr(pref)): pstr
	var hue: int8[21]
	var c = data.view.conf_profile {
		handle = cs(co.who.handle);
		nym = cs(lib.coalesce(co.who.nym,''));
		bio = cs(lib.coalesce(co.who.bio,''));
		hue = lib.math.decstr(co.ui_hue, &hue[20]);


	}
	return c:poolstr(&co.srv.pool)
end

return render_conf_profile

render_conf_profile(co: &lib.srv.convo, path: lib.mem.ptr(pref)): pstr
	var hue: int8[21]
	var c = data.view.conf_profile {
		handle = cs(co.who.handle);
		nym = cs(lib.coalesce(co.who.nym,''));
		bio = cs(lib.coalesce(co.who.bio,''));
		hue = lib.math.decstr(co.ui_hue, &hue[20]);
		acl_follow = co:usercfg_str(co.who.id, 'acl-follow');
		acl_follow_req = co:usercfg_str(co.who.id, 'acl-follow-req');
	}
	return c:poolstr(&co.srv.pool)
end

return render_conf_profile

		var users: lib.mem.lstptr(lib.store.actor)
		if mode == mode_local then
			users = co.srv:actor_enum_local()
		else
			users = co.srv:actor_enum()
		end
		ulst:lpush('</em></div>')
		ulst:lpush('<ul class="user-list">')
		for i=0,users.ct do var usr = users(i).ptr
			if mode == mode_staff and usr.rights.rank == 0 then goto skip
			elseif mode == mode_peons and usr.rights.rank ~= 0 then goto skip
			elseif mode == mode_remote and usr.origin == 0 then goto skip 
			elseif mode == mode_peers and usr.epithet == nil then goto skip end
			var idlen = lib.math.shorthand.gen(usr.id, &idbuf[0])
			ulst:lpush('<li>')

		var users: lib.mem.lstptr(lib.store.actor)
		if mode == mode_local then
			users = co.srv:actor_enum_local()
		else
			users = co.srv:actor_enum()
		end
		ulst:lpush('</em></div>')
		ulst:lpush('<ul class="directory">')
		for i=0,users.ct do var usr = users(i).ptr
			if mode == mode_staff and usr.rights.rank == 0 then goto skip
			elseif mode == mode_peons and usr.rights.rank ~= 0 then goto skip
			elseif mode == mode_remote and usr.origin == 0 then goto skip 
			elseif mode == mode_peers and usr.epithet == nil then goto skip end
			var idlen = lib.math.shorthand.gen(usr.id, &idbuf[0])
			ulst:lpush('<li>')

-- vim: ft=terra
local terra 
render_nav(co: &lib.srv.convo)
	var t = co:stra(64)
	if co.who ~= nil or co.srv.cfg.pol_sec == lib.srv.secmode.public then
		t:lpush(' <a accesskey="t" href="/">timeline</a>')
	end
	if co.who ~= nil then
		t:lpush(' <a accesskey="c" href="/compose">compose</a> <a accesskey="p" href="/'):push(co.who.xid,0)
		t:lpush('">profile</a> <a accesskey="m" href="/media">media</a> <a accesskey="o" href="/conf">configure</a> <a accesskey="d" href="/doc">docs</a> <div class="ident">@')
		t:push(co.who.handle,0)
		t:lpush('</div> <a accesskey="g" href="/logout">log out</a> <a class="bell" accesskey="x" href="/notices">notices</a>')

	else
		t:lpush(' <a accesskey="d" href="/doc">docs</a> <a accesskey="g" href="/login">log in</a>')
	end
	return t:finalize()
end
return render_nav

-- vim: ft=terra
local terra 
render_nav(co: &lib.srv.convo)
	var t = co:stra(64)
	if co.who ~= nil or co.srv.cfg.pol_sec == lib.srv.secmode.public then
		t:lpush(' <a accesskey="t" href="/"><u>t</u>imeline</a>')
	end
	if co.who ~= nil then
		t:lpush(' <a accesskey="c" href="/compose"><u>c</u>ompose</a> <a accesskey="m" href="/media"><u>m</u>edia</a> <a accesskey="d" href="/doc"><u>d</u>ocs</a> <hr> <a accesskey="p" href="'):push(co.who.xid,0):lpush('" class="ident">')

		t:push(co.who.handle,0)

		t:lpush('</a> <a accesskey="g" href="/logout">lo<u>g</u> out</a> <a class="gear" accesskey="o" href="/conf">c<u>o</u>nfigure</a> <a class="bell" accesskey="x" href="/notices">notices (<u>x</u>)</a>')
	else
		t:lpush(' <a accesskey="d" href="/doc"><u>d</u>ocs</a> <a accesskey="g" href="/login">lo<u>g</u> in</a>')
	end
	return t:finalize()
end
return render_nav

		{ id = 'disemvowel', start = {
			text = 'disemvowel'; -- translations should not translate this literally
			desc = "this user's posts will be ritually mutilated in a humorous fashion as appropriate to the script in which they are written; e.g. the removal of vowels in roman text and deletion of kana in japanese text";
		}, stop = {
			text = 're-emvowel';
			desc = "this user's posts will once again appear normally";
		}};









		{ id = 'block', start = {
			text = 'block';
			desc = "this user will not be able to interact with you in any fashion and they will be forced to unfollow you";
		}, stop = {
			text = 'unblock';
			desc = "this user will once again be able to interact with you";

		{ id = 'disemvowel', start = {
			text = 'disemvowel'; -- translations should not translate this literally
			desc = "this user's posts will be ritually mutilated in a humorous fashion as appropriate to the script in which they are written; e.g. the removal of vowels in roman text and deletion of kana in japanese text";
		}, stop = {
			text = 're-emvowel';
			desc = "this user's posts will once again appear normally";
		}};

		{ id = 'attenuate', start = {
			text = 'attenuate'; 
			desc = "this user will no longer be able to retweet things into your timeline";
		}, stop = {
			text = 'amplify';
			desc = "this user's retweets will be allowed to reach your timeline again";
		}};

		{ id = 'block', start = {
			text = 'block';
			desc = "this user will not be able to interact with you in any fashion and they will be forced to unfollow you";
		}, stop = {
			text = 'unblock';
			desc = "this user will once again be able to interact with you";

		sz = 0, run = 0
	}
	var fetchmode = lib.store.range {
		mode = 1; -- T->I
		from_time = stoptime;
		to_idx = 64;
	}

	if mode == modes.follow or mode == modes.mutual then
		posts = co.srv:timeline_actor_fetch_uid(co.who.id,fetchmode)
	elseif mode == [modes['local']] then
		posts = co.srv:timeline_instance_fetch(fetchmode)
	elseif mode == modes.fedi then
	elseif mode == modes.circle then







	end

	var acc = co:stra(1024)
	var modelabels = arrayof(pstr, 'followed', 'mutuals', 'local instance', 'fediverse', 'circle')

	var modelinks = arrayof(pstr, [modes.members])
	acc:lpush('<div style="text-align: right"><em>showing ')

	for i=0, [modelabels.type.N] do
		if co.aid ~= 0 or not requires_login(i) then
			if i > 0 then acc:lpush(' · ') end
			if i == mode and not (mode == modes.circle and spec:ref()) then
				acc:lpush('<strong>'):ppush(modelabels[i]):lpush('</strong>')
			else
				acc:lpush('<a href="/tl/'):ppush(modelinks[i]):lpush('">'):ppush(modelabels[i]):lpush('</a>')






			end
		end
	end
	acc:lpush('</em></div>')
	var newest: lib.store.timepoint = 0
	if mode == modes.circle and not spec then
		var circles = co.srv:circle_search(&co.srv.pool, co.who.id, 0)
		acc:lpush '<menu class="circles">'
		for i:intptr = 0, circles.ct do
			acc:lpush '<li><a href="/tl/circle/'
			   :shpush(circles(i).cid)



			   :lpush '">'
			   :ppush(circles(i).name)
			   :lpush '</a></li>'
		end
		-- TODO list circles
		acc:lpush '</menu>'
	else
		acc:lpush('<div id="tl" data-live="10">')
		for i = 0, posts.sz do
			var author = co:uid2actor(posts(i).ptr.author)
			if mode == modes.mutual and posts(i).ptr.author ~= co.who.id then
				if not author.relationship.recip.follow() then goto skip end
			end
			if author.relationship.rel.mute() or 
			   author.relationship.rel.avoid() or 
			   author.relationship.recip.exclude() then goto skip end







			lib.render.tweet(co, posts(i).ptr, &acc)
			var t = lib.math.biggest(lib.math.biggest(posts(i).ptr.posted, posts(i).ptr.discovered),posts(i).ptr.edited)
			if t > newest then newest = t end
			::skip:: posts(i):free()
		end
		if posts.run > 0 then posts:free() end
		acc:lpush('</div>')

		sz = 0, run = 0
	}
	var fetchmode = lib.store.range {
		mode = 1; -- T->I
		from_time = stoptime;
		to_idx = 64;
	}
	var circ: lib.mem.ptr(lib.store.circle) = nil
	if mode == modes.follow or mode == modes.mutual then
		posts = co.srv:timeline_actor_fetch_uid(co.who.id,fetchmode)
	elseif mode == [modes['local']] then
		posts = co.srv:timeline_instance_fetch(fetchmode)
	elseif mode == modes.fedi then
	elseif mode == modes.circle and spec:ref() then
		var cid, ok = lib.math.shorthand.parse(spec.ptr,spec.ct)
		if ok then
			circ = co.srv:circle_search(&co.srv.pool,co.who.id,cid)
			if circ.ct == 1 then
				posts = co.srv:timeline_circle_fetch(cid,fetchmode)
			end
		end
	end

	var acc = co:stra(1024)
	var modelabels = arrayof(pstr, '<u>f</u>ollowed', 'm<u>u</u>tuals', '<u>l</u>ocal instance', 'fedi<u>v</u>erse', 'ci<u>r</u>cle')
	var keybinds = arrayof(pstr, 'f', 'u', 'l', 'v', 'r')
	var modelinks = arrayof(pstr, [modes.members])

	acc:lpush('<div class="kind-picker">showing ')
	for i=0, [modelabels.type.N] do
		if co.aid ~= 0 or not requires_login(i) then
			if i > 0 then acc:lpush(' · ') end
			if i == mode and not circ then
				acc:lpush('<strong>'):ppush(modelabels[i]):lpush('</strong>')
			else
				acc:lpush('<a href="/tl/'):ppush(modelinks[i]):lpush('" accesskey="'):ppush(keybinds[i]):lpush('">')
				if i == mode and circ:ref() then
					acc:lpush'<strong>':ppush(modelabels[i]):lpush'</strong> (':ppush(circ().name):lpush(')')
				else
					acc:ppush(modelabels[i])
				end
				acc:lpush('</a>')
			end
		end
	end
	acc:lpush('</div>')
	var newest: lib.store.timepoint = 0
	if mode == modes.circle and not spec then
		var circles = co.srv:circle_search(&co.srv.pool, co.who.id, 0)
		acc:lpush '<menu class="circles">'
		for i:intptr = 0, circles.ct do
			acc:lpush '<a href="/tl/circle/'
			   :shpush(circles(i).cid)
			if i <= 10 then
				acc:lpush '" accesskey="':ipush((i+1) % 10)
			end
			acc:lpush '">'
			   :ppush(circles(i).name)
			   :lpush '</a>'
		end
		-- TODO list circles
		acc:lpush '</menu>'
	else
		acc:lpush('<div id="tl" data-live="10">')
		for i = 0, posts.sz do
			var author = co:uid2actor(posts(i).ptr.author)
			if mode == modes.mutual and posts(i).ptr.author ~= co.who.id then
				if not author.relationship.recip.follow() then goto skip end
			end
			if author.relationship.rel.mute() or 
			   author.relationship.rel.avoid() or 
			   author.relationship.recip.exclude() then goto skip end
			if posts(i).ptr.rtdby ~= 0 then
				var rter = co:uid2actor(posts(i).ptr.rtdby)
				if rter.relationship.rel.mute()
				or rter.relationship.rel.attenuate()
				or rter.relationship.rel.avoid()
				or rter.relationship.recip.exclude() then goto skip end
			end
			lib.render.tweet(co, posts(i).ptr, &acc)
			var t = lib.math.biggest(lib.math.biggest(posts(i).ptr.posted, posts(i).ptr.discovered),posts(i).ptr.edited)
			if t > newest then newest = t end
			::skip:: posts(i):free()
		end
		if posts.run > 0 then posts:free() end
		acc:lpush('</div>')

	if co.aid ~= 0 then
		pg:lpush('<form class="action-bar" method="post">')
		if not co.srv:post_liked_uid(co.who.id, p.id)
			then pg:lpush('<button class="pos" name="act" accesskey="l" value="like">like</button>')
			else pg:lpush('<button class="neg" name="act" accesskey="l" value="dislike">dislike</button>')
		end
		pg:lpush('<button class="pos" name="act" accesskey="r" value="rt">retweet</button>')



		if p.author == co.who.id then
			if co.who.rights.powers.edit() then
				pg:lpush('<a class="button" accesskey="e" href="/post/'):rpush(path(1)):lpush('/edit">edit</a>')
			end
			pg:lpush('<a class="neg button" accesskey="d" href="/post/'):rpush(path(1)):lpush('/del">delete</a>')
		elseif co.who.rights.powers.snitch() then
			pg:lpush('<a class="neg button" accesskey="s" href="/post/'):rpush(path(1)):lpush('/report">report</a>')
		end
		-- TODO list user's chosen reaction emoji
		pg:lpush('</form>')

	end
	pg:lpush('<div id="convo" data-live="10">')
	render_tweet_replies(co, &pg, p.id)

	if co.aid ~= 0 then
		pg:lpush('<form class="action-bar" method="post">')
		if not co.srv:post_liked_uid(co.who.id, p.id)
			then pg:lpush('<button class="pos" name="act" accesskey="l" value="like">like</button>')
			else pg:lpush('<button class="neg" name="act" accesskey="l" value="dislike">dislike</button>')
		end
		pg:lpush('<button class="pos" name="act" accesskey="r" value="rt">retweet</button>')
		if co.who.rights.powers.crier() then
			pg:lpush('<button name="act" accesskey="p" value="promote">promote</button>')
		end
		if p.author == co.who.id then
			if co.who.rights.powers.edit() then
				pg:lpush('<a class="button" accesskey="e" href="/post/'):rpush(path(1)):lpush('/edit">edit</a>')
			end
			pg:lpush('<a class="neg button" accesskey="d" href="/post/'):rpush(path(1)):lpush('/del">delete</a>')
		elseif co.who.rights.powers.snitch() then
			pg:lpush('<a class="neg button" accesskey="s" href="/post/'):rpush(path(1)):lpush('/snitch">report</a>')
		end
		-- TODO list user's chosen reaction emoji
		pg:lpush('</form>')

	end
	pg:lpush('<div id="convo" data-live="10">')
	render_tweet_replies(co, &pg, p.id)

		end
	end
	defer post:free() -- NOP on null

	if path.ct == 3 then
		var lnk: lib.str.acc lnk:compose('/post/', path(1))
		var lnkp = lnk:finalize() defer lnkp:free()
















		if post:ref() and post(0).author ~= co.who.id then
			co:complain(403, 'forbidden', 'you cannot alter other people\'s posts')
			return
		elseif post:ref() and path(2):cmp(lib.str.lit 'edit') then
			if not co:assertpow('edit') then return end
			if meth_get(meth) then
				lib.render.compose(co, post.ptr, nil)
				return
................................................................................
				else
					conf = data.view.confirm {
						title =  'cancel retweet';
						query =  'are you sure you want to undo this retweet?';
						cancel = '/';
					}
				end
				var fr = co.srv.pool:frame()
				var body = conf:poolstr(&co.srv.pool) --defer body:free()
				co:stdpage([lib.srv.convo.page] {
					title =  'post :: delete';
					class =  'query';
					body = body; cache = false;
				})
				co.srv.pool:reset(fr)
				return
			elseif meth == method.post then
				var act = co:ppostv('act')
				if act:cmp( 'confirm') then
					if post:ref() then
						post(0).source:post_destroy(post(0).id)
					elseif rt.kind ~= 0 then
						co.srv:post_act_cancel(pid)
					end
					co:reroute('/') -- TODO maybe return to parent or conversation if possible
					return
				else goto badop end
			end
................................................................................
			path(1):cmp('brand')
		) then goto nopriv

		elseif not co.who.rights.powers.account() and (
			path(1):cmp('profile') or
			path(1):cmp('sec') or
			path(1):cmp('avi') or
			path(1):cmp('ui')

		) then goto nopriv

		elseif not co.who.rights.powers:affect_users() and (
			path(1):cmp(lib.str.lit 'users')
		) then goto nopriv end
	end

	if meth == method.post and path.ct >= 1 then
		var user_refresh = false var fail = false
		if path(1):cmp(lib.str.lit 'profile') then
			lib.dbg('updating profile')
			co.who.bio = co:postv('bio')._0
			co.who.nym = co:postv('nym')._0
			if co.who.bio ~= nil and @co.who.bio == 0 then co.who.bio = nil end
			if co.who.nym ~= nil and @co.who.nym == 0 then co.who.nym = nil end
			co.who.source:actor_save(co.who)

................................................................................
					co.ui_hue = nhue
				end
			end
			if resethue then
				co.srv:actor_conf_int_reset(co.who.id, 'ui-accent')
				co.ui_hue = co.srv.cfg.ui_hue
			end










			msg = 'profile changes saved'
			--user_refresh = true -- not really necessary here, actually

		elseif path(1):cmp('sec') then
			if not credsec_for_uid(co, co.who.id) then return end
		elseif path(1):cmp('avi') then
			var act = co:ppostv('act')
			if act:ref() and act:cmp('clear') then
				co.who.avatarid = 0
				co.who.source:actor_save(co.who)
				msg = 'avatar reset to default'
			else goto badop end
















		elseif path(1):cmp('users') then
			if path.ct >= 3 then
				var userid, ok = lib.math.shorthand.parse(path(2).ptr, path(2).ct)
				if ok then
					var usr = co.srv:actor_fetch_uid(userid)
					if usr:ref() then --defer usr:free()
						if not co.who:overpowers(usr.ptr) then
................................................................................
		end
	end
	lib.render.conf(co,path,msg)
	do return end

	::nopriv:: do co:complain(403,'insufficient privileges','you do not have the necessary powers to perform this action') return end
	::badop:: do co:complain(400,'bad request','the operation you have requested is not meaningful in this context') return end

end

terra http.user_notices(co: &lib.srv.convo, meth: method.t)
	if meth == method.post then
		var act = co:ppostv('act')
		if act:cmp('clear') then
			co.srv:actor_conf_int_set(co.who.id, 'notice-clear-time', lib.osclock.time(nil))
................................................................................
	-- we run through those first before giving up and parsing the URI
	if uri.ptr == nil or uri.ptr[0] ~= @'/' then
		co:complain(404, 'what the hell', 'how did you do that')
	elseif uri.ct == 1 then -- root
		if (co.srv.cfg.pol_sec == lib.srv.secmode.private or
		   co.srv.cfg.pol_sec == lib.srv.secmode.lockdown) and co.aid == 0 then
		   http.login_form(co, meth)
		else http.timeline(co, hpath {ptr=nil}) end
	elseif uri.ptr[1] == @'@' then
		http.actor_profile_xid(co, uri, meth)
	elseif uri.ptr[1] == @'s' and uri.ptr[2] == @'/' and uri.ct > 3 then
		if not meth_get(meth) then goto wrongmeth end
		if not http.static_content(co, uri.ptr + 3, uri.ct - 3) then goto notfound end
	elseif lib.str.ncmp('/avi/', uri.ptr, 5) == 0 then
		http.local_avatar(co, [lib.mem.ptr(int8)] {ptr = uri.ptr + 5, ct = uri.ct - 5})
	elseif lib.str.ncmp('/file/', uri.ptr, 6) == 0 then
		http.file_serve_raw(co, [lib.mem.ptr(int8)] {ptr = uri.ptr + 6, ct = uri.ct - 6})
	elseif uri:cmp( '/notices') then
		if co.aid == 0 then co:reroute('/login') return end
		http.user_notices(co,meth)
	elseif uri:cmp( '/compose') then
		if co.aid == 0 then co:reroute('/login') return end
		http.post_compose(co,meth)
	elseif uri:cmp( '/login') then
		if co.aid == 0
			then http.login_form(co, meth)
			else co:reroute('/')
		end

		end
	end
	defer post:free() -- NOP on null

	if path.ct == 3 then
		var lnk: lib.str.acc lnk:compose('/post/', path(1))
		var lnkp = lnk:finalize() defer lnkp:free()
		if post:ref() and path(2):cmp(lib.str.lit 'snitch') then
			if meth_get(meth) then
				var ui = data.view.report {
					badtweet = lib.render.tweet(co, post.ptr, nil);
					clnk = lnkp;
				}

				co:stdpage([lib.srv.convo.page] {
					title = 'post :: report';
					class = 'report';
					body = ui:poolstr(&co.srv.pool);
					cache = false;
				})
			else
			end
			return
		elseif post:ref() and post(0).author ~= co.who.id then
			co:complain(403, 'forbidden', 'you cannot alter other people\'s posts')
			return
		elseif post:ref() and path(2):cmp(lib.str.lit 'edit') then
			if not co:assertpow('edit') then return end
			if meth_get(meth) then
				lib.render.compose(co, post.ptr, nil)
				return
................................................................................
				else
					conf = data.view.confirm {
						title =  'cancel retweet';
						query =  'are you sure you want to undo this retweet?';
						cancel = '/';
					}
				end

				var body = conf:poolstr(&co.srv.pool) --defer body:free()
				co:stdpage([lib.srv.convo.page] {
					title =  'post :: delete';
					class =  'query';
					body = body; cache = false;
				})

				return
			elseif meth == method.post then
				var act = co:ppostv('act')
				if act:cmp('confirm') then
					if post:ref() then
						post().source:post_destroy(post().id)
					elseif rt.kind ~= 0 then
						co.srv:post_act_cancel(pid)
					end
					co:reroute('/') -- TODO maybe return to parent or conversation if possible
					return
				else goto badop end
			end
................................................................................
			path(1):cmp('brand')
		) then goto nopriv

		elseif not co.who.rights.powers.account() and (
			path(1):cmp('profile') or
			path(1):cmp('sec') or
			path(1):cmp('avi') or
			path(1):cmp('ui') or
			path(1):cmp('circles')
		) then goto nopriv

		elseif not co.who.rights.powers:affect_users() and (
			path(1):cmp(lib.str.lit 'users')
		) then goto nopriv end
	end

	if meth == method.post and path.ct >= 1 then
		var user_refresh = false var fail = false
		if path(1):cmp('profile') then
			lib.dbg('updating profile')
			co.who.bio = co:postv('bio')._0
			co.who.nym = co:postv('nym')._0
			if co.who.bio ~= nil and @co.who.bio == 0 then co.who.bio = nil end
			if co.who.nym ~= nil and @co.who.nym == 0 then co.who.nym = nil end
			co.who.source:actor_save(co.who)

................................................................................
					co.ui_hue = nhue
				end
			end
			if resethue then
				co.srv:actor_conf_int_reset(co.who.id, 'ui-accent')
				co.ui_hue = co.srv.cfg.ui_hue
			end

			var aclfollow = co:ppostv('acl-follow')
			var aclfollowreq = co:ppostv('acl-follow-req')
			if aclfollow:ref() and aclfollow.ct > 0 then
				co.srv:actor_conf_str_set(co.who.id, 'acl-follow', aclfollow)
			end
			if aclfollowreq:ref() and aclfollowreq.ct > 0 then
				co.srv:actor_conf_str_set(co.who.id, 'acl-follow-req', aclfollowreq)
			end

			msg = 'profile changes saved'
			--user_refresh = true -- not really necessary here, actually

		elseif path(1):cmp('sec') then
			if not credsec_for_uid(co, co.who.id) then return end
		elseif path(1):cmp('avi') then
			var act = co:ppostv('act')
			if act:ref() and act:cmp('clear') then
				co.who.avatarid = 0
				co.who.source:actor_save(co.who)
				msg = 'avatar reset to default'
			else goto badop end
		elseif path(1):cmp('circles') then
			if meth == method.post then
				var act = co:ppostv('act')
				if path.ct == 2 and act:cmp('create') then
					var newcirc = co:ppostv('name')
					if newcirc.ct > 0 then
						co.srv:circle_create(co.who.id, newcirc)
					end
				elseif path.ct == 3 and act:cmp('del') then
					var id, ok = lib.math.shorthand.parse(path(2).ptr,path(2).ct)
					if not ok then goto e404 end
					co.srv:circle_destroy(co.who.id, id)
					co:reroute('/conf/circles')
					return
				else goto badop end
			end
		elseif path(1):cmp('users') then
			if path.ct >= 3 then
				var userid, ok = lib.math.shorthand.parse(path(2).ptr, path(2).ct)
				if ok then
					var usr = co.srv:actor_fetch_uid(userid)
					if usr:ref() then --defer usr:free()
						if not co.who:overpowers(usr.ptr) then
................................................................................
		end
	end
	lib.render.conf(co,path,msg)
	do return end

	::nopriv:: do co:complain(403,'insufficient privileges','you do not have the necessary powers to perform this action') return end
	::badop:: do co:complain(400,'bad request','the operation you have requested is not meaningful in this context') return end
	::e404:: do co:complain(404,'not found','the resource you have requested is not known to this server') return end
end

terra http.user_notices(co: &lib.srv.convo, meth: method.t)
	if meth == method.post then
		var act = co:ppostv('act')
		if act:cmp('clear') then
			co.srv:actor_conf_int_set(co.who.id, 'notice-clear-time', lib.osclock.time(nil))
................................................................................
	-- we run through those first before giving up and parsing the URI
	if uri.ptr == nil or uri.ptr[0] ~= @'/' then
		co:complain(404, 'what the hell', 'how did you do that')
	elseif uri.ct == 1 then -- root
		if (co.srv.cfg.pol_sec == lib.srv.secmode.private or
		   co.srv.cfg.pol_sec == lib.srv.secmode.lockdown) and co.aid == 0 then
		   http.login_form(co, meth)
		else http.timeline(co, hpath {ptr=nil,ct=0}) end
	elseif uri.ptr[1] == @'@' then
		http.actor_profile_xid(co, uri, meth)
	elseif uri.ptr[1] == @'s' and uri.ptr[2] == @'/' and uri.ct > 3 then
		if not meth_get(meth) then goto wrongmeth end
		if not http.static_content(co, uri.ptr + 3, uri.ct - 3) then goto notfound end
	elseif lib.str.ncmp('/avi/', uri.ptr, 5) == 0 then
		http.local_avatar(co, [lib.mem.ptr(int8)] {ptr = uri.ptr + 5, ct = uri.ct - 5})
	elseif lib.str.ncmp('/file/', uri.ptr, 6) == 0 then
		http.file_serve_raw(co, [lib.mem.ptr(int8)] {ptr = uri.ptr + 6, ct = uri.ct - 6})
	elseif uri:cmp('/notices') then
		if co.aid == 0 then co:reroute('/login') return end
		http.user_notices(co,meth)
	elseif uri:cmp('/compose') then
		if co.aid == 0 then co:reroute('/login') return end
		http.post_compose(co,meth)
	elseif uri:cmp( '/login') then
		if co.aid == 0
			then http.login_form(co, meth)
			else co:reroute('/')
		end

	overlord: &srv
	ui_cue_staff: pstring
	ui_cue_founder: pstring
	ui_hue: uint16
	nranks: uint16
	maxinvites: uint16
	master: uint64



}
local struct srv {
	sources: lib.mem.ptr(lib.store.source)
	webmgr: lib.net.mg_mgr
	webcon: &lib.net.mg_connection
	cfg: cfgcache
	id: rawstring
................................................................................
}

terra cfgcache:free() -- :/
	self.secret:free()
	self.instance:free()
	self.ui_cue_staff:free()
	self.ui_cue_founder:free()


end

terra srv:post_enum_author_uid(uid: uint64, r: lib.store.range): lib.mem.vec(lib.mem.ptr(lib.store.post))
	var all: lib.mem.vec(lib.mem.ptr(lib.store.post)) all:init(64)
	for i=0,self.sources.ct do var src = self.sources.ptr + i
		if src.handle ~= nil and src.backend.timeline_instance_fetch ~= nil then
			var lst = src:post_enum_author_uid(uid,r)
................................................................................
		end
		return all
	end
end

deftlfetch('instance_fetch')
deftlfetch('actor_fetch_uid', uint64)


srv.metamethods.__methodmissing = macro(function(meth, self, ...)
	local primary, ptr, stat, simple, oid = 0,1,2,3,4
	local tk, rt = primary
	local expr = {...}
	for _,f in pairs(lib.store.backend.entries) do
		local fn = f.field or f[1]
................................................................................

struct convo.page {
	title: pstring
	body: pstring
	class: pstring
	cache: bool
}





























-- this is unfortunately necessary to work around a terra bug
-- it can't seem to handle forward-declarations of structs in C

local getpeer
do local struct strucheader {
		next: &lib.net.mg_connection
................................................................................
			self.master = wma(0).id
			wma:free()
		end
	end

	self.ui_cue_staff = self.overlord:conf_get('ui-profile-cue-staff')
	self.ui_cue_founder = self.overlord:conf_get('ui-profile-cue-master')



end

return {
	overlord = srv;
	convo = convo;
	route = route;
	secmode = secmode;
}

	overlord: &srv
	ui_cue_staff: pstring
	ui_cue_founder: pstring
	ui_hue: uint16
	nranks: uint16
	maxinvites: uint16
	master: uint64

	usrdef_pol_follow: pstring
	usrdef_pol_follow_req: pstring
}
local struct srv {
	sources: lib.mem.ptr(lib.store.source)
	webmgr: lib.net.mg_mgr
	webcon: &lib.net.mg_connection
	cfg: cfgcache
	id: rawstring
................................................................................
}

terra cfgcache:free() -- :/
	self.secret:free()
	self.instance:free()
	self.ui_cue_staff:free()
	self.ui_cue_founder:free()
	self.usrdef_pol_follow:free()
	self.usrdef_pol_follow_req:free()
end

terra srv:post_enum_author_uid(uid: uint64, r: lib.store.range): lib.mem.vec(lib.mem.ptr(lib.store.post))
	var all: lib.mem.vec(lib.mem.ptr(lib.store.post)) all:init(64)
	for i=0,self.sources.ct do var src = self.sources.ptr + i
		if src.handle ~= nil and src.backend.timeline_instance_fetch ~= nil then
			var lst = src:post_enum_author_uid(uid,r)
................................................................................
		end
		return all
	end
end

deftlfetch('instance_fetch')
deftlfetch('actor_fetch_uid', uint64)
deftlfetch('circle_fetch', uint64)

srv.metamethods.__methodmissing = macro(function(meth, self, ...)
	local primary, ptr, stat, simple, oid = 0,1,2,3,4
	local tk, rt = primary
	local expr = {...}
	for _,f in pairs(lib.store.backend.entries) do
		local fn = f.field or f[1]
................................................................................

struct convo.page {
	title: pstring
	body: pstring
	class: pstring
	cache: bool
}

local usrdefs = {
	str = {
		['acl-follow'    ] = {cfgfld = 'usrdef_pol_follow', fallback = 'local'};
		['acl-follow-req'] = {cfgfld = 'usrdef_pol_follow_req', fallback = 'all'};
	};
}

terra convo:usercfg_str(uid: uint64, setting: pstring): pstring
	var set = self.srv:actor_conf_str_get(&self.srv.pool, uid, setting)
	if not set then
		[(function()
			local q = quote return pstring.null() end
			for key, dfl in pairs(usrdefs.str) do
				local rv
				if dfl.cfgfld then
					rv = quote
						var cf = self.srv.cfg.[dfl.cfgfld]
					in terralib.select(not cf, pstring([dfl.fallback]), cf) end
				elseif dfl.lit then rv = dfl.lit end
				q = quote
					if setting:cmp([key]) then return [rv] else [q] end
				end
			end
			return q
		end)()]
	else return set end
end

-- this is unfortunately necessary to work around a terra bug
-- it can't seem to handle forward-declarations of structs in C

local getpeer
do local struct strucheader {
		next: &lib.net.mg_connection
................................................................................
			self.master = wma(0).id
			wma:free()
		end
	end

	self.ui_cue_staff = self.overlord:conf_get('ui-profile-cue-staff')
	self.ui_cue_founder = self.overlord:conf_get('ui-profile-cue-master')

	self.usrdef_pol_follow = self.overlord:conf_get('user-default-acl-follow')
	self.usrdef_pol_follow_req = self.overlord:conf_get('user-default-acl-follow-req')
end

return {
	overlord = srv;
	convo = convo;
	route = route;
	secmode = secmode;
}

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	text-underline-offset: 0.1em;
	&:hover, &:focus {
		color: white;
		text-shadow: 0 0 15px tone(20%);
		text-decoration-color: tone(10%,-0.1);
		outline: none;
	}



}
a[href^="//"],
a[href^="http://"],
a[href^="https://"] { // external link
	&:hover::after {
		color: black;
		background-color: white;
................................................................................

.button, a[href].button { // 🙄
	@extend %sans;
	font-size: 14pt;
	box-sizing: border-box;
	padding: 0.1in 0.2in;
	border: 1px solid black;

	color: otone(25%);
	text-shadow: 1px 1px black;
	text-decoration: none;
	text-align: center;
	cursor: default;
	user-select: none;
	-webkit-user-drag: none;
	-webkit-app-region: no-drag;
	--icon: url(/s/heart.webp);
	background-image: linear-gradient(to bottom,
		otone(-47%),
		otone(-50%) 15%,
		otone(-50%) 75%,
		otone(-53%)
	);
	&:hover, &:focus {
		@extend %glow;
		outline: none;
		color: tone(-55%);
		text-shadow: none;
		background: linear-gradient(to bottom,
			otone(-27%),
			otone(-30%) 15%,
			otone(-30%) 75%,
			otone(-35%)
		);
	}
	&:active {
		color: black;
		padding-bottom: calc(0.1in - 2px);
		padding-top: calc(0.1in + 2px);


		background: linear-gradient(to top,
			otone(-25%),
			otone(-30%) 15%,
			otone(-30%) 75%,
			otone(-35%)
		);
	}
}

button { @extend .button;
	&:first-of-type {
		@extend .button;
		color: white;
		box-shadow: inset 0 1px  otone(-25%),
		            inset 0 -1px otone(-50%);
		background: linear-gradient(to bottom,
			otone(-35%),
			otone(-40%) 15%,
			otone(-40%) 75%,
			otone(-45%)
		);
		&:hover, &:focus {
			box-shadow: inset 0 1px  otone(-15%),
						inset 0 -1px otone(-40%);
		}
		&:active {
			box-shadow: inset 0 1px  otone(-50%),
						inset 0 -1px otone(-25%);
			background: linear-gradient(to top,
				otone(-30%),
				otone(-35%) 15%,
				otone(-35%) 75%,
				otone(-40%)
			);
		}
	}
	//&:hover { font-weight: bold; }
}

................................................................................
		}
		nav {
			all: unset;
			display: flex;
			justify-content: flex-end;
			align-items: center;
			grid-column: 2/3; grid-row: 1/2;







			.ident {
				color: tone(-20%);
				margin-left: 0.2em;
				border-left: 1px solid tone(-40%);
				padding-left: 0.5em;





			}
			> a[href] {
				display: block;
				padding: 0.25in 0.10in;
				//padding: calc((25% - 1em)/2) 0.15in;
				&, &::after { transition: 0.3s; }
				text-shadow: 1px 1px 1px black;
				&:hover{
					transform: scale(1.2);
				}
			}
			> a[href].bell {
				content: url(/s/bell.svg);
				height: 2em;
				padding: 0.125in 0.10in;
				filter: drop-shadow(1px 1px 3px tone(-5%));
				&:hover {
					filter: drop-shadow(1px 1px 3px tone(-5%))
						drop-shadow(0 0 10px tone(-5%));
				}
			}


		}
	}
}

main {
	@extend %content;
	display: block;
................................................................................
				border-radius: 5px;
				border: 1px solid transparent;
				&.on {
					background-color: tone(-30%, -0.7);
					box-shadow: 0 0 10px tone(-30%);
					border-color: tone(-20%);
				}
				> button, > p { display: block; }
				> p { text-align: center; font-size: 80%; margin: 0; margin-top: 0.1in; }
				> button {

					margin: auto;
				}
				&:last-child:nth-child(2n-1) {
					grid-column: 1/3;
				}
			}

................................................................................
	padding: 0.1in;
	> img { grid-column: 1/2; grid-row: 1/3; width: 1in; height: 1in;}
	> textarea {
		grid-column: 2/6; grid-row: 1/2; height: 3in;
		resize: vertical;
		margin-bottom: 0.08in;
	}
	> input[name="acl"] { grid-column: 2/3; grid-row: 2/3; }
	> button[value="post"] { grid-column: 5/6; grid-row: 2/3; }
	> button[value="attach"] { grid-column: 4/5; grid-row: 2/3; }
	a.help[href] { margin-right: 0.05in }
}



a.help[href] {
	display: block;
	text-align: center;
	padding: 0.09in 0.2in;
	background: tone(-40%);
	border: 1px solid black;
................................................................................
	> a[href] {
		display: block;
		text-align: left;
	}
	> a[href] + a[href] {
		border-top: none;
	}



	hr {
		border: none;
	}
}

menu { all: unset; display: block; }
body.conf main {
................................................................................
.color-picker {
	/* implemented using javascript, alas */
	@extend %box;
	label { text-shadow: 1px 1px black; }
	padding: 0.1in;
}

ul.user-list {
	list-style-type: none;
	margin: 0.5em 0;
	padding: 0;
	box-shadow: 0 0 10px -3px black inset;
	border: 1px solid tone(-50%);
	li {
		background-color: tone(-20%, -0.8);
................................................................................
		text-align: center;
		padding: 0.3em 0;
		margin: 0.2em 0.1em;
		cursor: default;
	}
}

.button, a[href] {
	.neg { --co:  30 }
	.pos { --co: -30 }
}

.pick-list {
	display: flex;
	flex-flow: row wrap;
	padding: 0.1in;
	background-color: tone(-50%);
	border: 1px solid tone(-53%);
................................................................................
			padding: 0 0.2in;
			max-height: calc(100vh - 3in);
			overflow-y: scroll;
			text-align: justify;
		}
	}
}

	text-underline-offset: 0.1em;
	&:hover, &:focus {
		color: white;
		text-shadow: 0 0 15px tone(20%);
		text-decoration-color: tone(10%,-0.1);
		outline: none;
	}
	u {
		text-decoration-color: tone(10%,-0.3);
	}
}
a[href^="//"],
a[href^="http://"],
a[href^="https://"] { // external link
	&:hover::after {
		color: black;
		background-color: white;
................................................................................

.button, a[href].button { // 🙄
	@extend %sans;
	font-size: 14pt;
	box-sizing: border-box;
	padding: 0.1in 0.2in;
	border: 1px solid black;
	border-bottom: 2px solid black;
	color: otone(25%);
	text-shadow: 1px 1px black;
	text-decoration: none;
	text-align: center;
	cursor: default;
	user-select: none;
	-webkit-user-drag: none;
	-webkit-app-region: no-drag;
	--icon: url(/s/heart.webp);
	background-image: linear-gradient(to bottom,
		otone(-41%),
		otone(-43%) 15%,
		otone(-46%) 75%,
		otone(-50%)
	);
	&:hover, &:focus {
		@extend %glow;
		outline: none;
		color: tone(-55%);
		text-shadow: none;
		background: linear-gradient(to bottom,
			otone(-27%),
			otone(-30%) 15%,
			otone(-32%) 75%,
			otone(-35%)
		);
	}
	&:active {
		color: black;
		padding-bottom: calc(0.1in - 2px);
		padding-top: calc(0.1in + 2px);
		border: 1px solid black;
		border-top: 2px solid black;
		background: linear-gradient(to top,
			otone(-25%),
			otone(-30%) 15%,
			otone(-32%) 75%,
			otone(-35%)
		);
	}
}

button { @extend .button;
	form > &:first-of-type, menu > &:first-of-type {
		@extend .button;
		color: white;
		box-shadow: inset 0 1px  otone(-25%),
		            inset 0 -1px otone(-50%);
		background: linear-gradient(to bottom,
			otone(-35%),
			otone(-40%) 15%,
			otone(-43%) 75%,
			otone(-45%)
		);
		&:hover, &:focus {
			box-shadow: inset 0 1px  otone(-15%),
						inset 0 -1px otone(-40%);
		}
		&:active {
			box-shadow: inset 0 1px  otone(-50%),
						inset 0 -1px otone(-25%);
			background: linear-gradient(to top,
				otone(-30%),
				otone(-35%) 15%,
				otone(-38%) 75%,
				otone(-40%)
			);
		}
	}
	//&:hover { font-weight: bold; }
}

................................................................................
		}
		nav {
			all: unset;
			display: flex;
			justify-content: flex-end;
			align-items: center;
			grid-column: 2/3; grid-row: 1/2;
			hr {
				width: 1px;
				height: 1.5em;
				border: none;
				border-left: 1px solid tone(-40%);
				margin-left: 0.5em;
			}
			a[href].ident {
				color: tone(-20%);
				margin-left: 0.2em;

				padding-left: 0.5em;
				&::before {
					content: '@';
					display: inline-block; // remove underline - i don't want to know why this works
					opacity: 0.7;
				}
			}
			> a[href] {
				display: block;
				padding: 0.25in 0.10in;
				//padding: calc((25% - 1em)/2) 0.15in;
				&, &::after { transition: 0.3s; }
				text-shadow: 1px 1px 1px black;
				&:hover{
					transform: scale(1.2);
				}
			}
			> a[href].bell, a[href].gear {

				height: 2em;
				padding: 0.125in 0.05in;
				filter: drop-shadow(1px 1px 3px tone(-5%));
				&:hover {
					filter: drop-shadow(1px 1px 3px tone(-5%))
						drop-shadow(0 0 10px tone(-5%));
				}
			}
			> a[href].bell { content: url(/s/bell.svg); }
			> a[href].gear { content: url(/s/gear.svg); }
		}
	}
}

main {
	@extend %content;
	display: block;
................................................................................
				border-radius: 5px;
				border: 1px solid transparent;
				&.on {
					background-color: tone(-30%, -0.7);
					box-shadow: 0 0 10px tone(-30%);
					border-color: tone(-20%);
				}
				> button, > p, > a[href] { display: block; }
				> p { text-align: center; font-size: 80%; margin: 0; margin-top: 0.1in; }
				> button, > a[href] {
					width: max-content;
					margin: auto;
				}
				&:last-child:nth-child(2n-1) {
					grid-column: 1/3;
				}
			}

................................................................................
	padding: 0.1in;
	> img { grid-column: 1/2; grid-row: 1/3; width: 1in; height: 1in;}
	> textarea {
		grid-column: 2/6; grid-row: 1/2; height: 3in;
		resize: vertical;
		margin-bottom: 0.08in;
	}

	> button[value="post"] { grid-column: 5/6; grid-row: 2/3; }
	> button[value="attach"] { grid-column: 4/5; grid-row: 2/3; }
	a.help[href] { margin-right: 0.05in }
}

input[name="acl"] { grid-column: 2/3; grid-row: 2/3; }

a.help[href] {
	display: block;
	text-align: center;
	padding: 0.09in 0.2in;
	background: tone(-40%);
	border: 1px solid black;
................................................................................
	> a[href] {
		display: block;
		text-align: left;
	}
	> a[href] + a[href] {
		border-top: none;
	}
	.button, .button:active {
		border: 1px solid black;
	}
	hr {
		border: none;
	}
}

menu { all: unset; display: block; }
body.conf main {
................................................................................
.color-picker {
	/* implemented using javascript, alas */
	@extend %box;
	label { text-shadow: 1px 1px black; }
	padding: 0.1in;
}

ul.directory {
	list-style-type: none;
	margin: 0.5em 0;
	padding: 0;
	box-shadow: 0 0 10px -3px black inset;
	border: 1px solid tone(-50%);
	li {
		background-color: tone(-20%, -0.8);
................................................................................
		text-align: center;
		padding: 0.3em 0;
		margin: 0.2em 0.1em;
		cursor: default;
	}
}


.neg { --co:  30 !important }
.pos { --co: -30 !important }


.pick-list {
	display: flex;
	flex-flow: row wrap;
	padding: 0.1in;
	background-color: tone(-50%);
	border: 1px solid tone(-53%);
................................................................................
			padding: 0 0.2in;
			max-height: calc(100vh - 3in);
			overflow-y: scroll;
			text-align: justify;
		}
	}
}

div.kind-picker {
	text-align: right;
	font-style: italic;
	padding: 0.2em;
}

body.timeline {
	menu.circles {
		@extend %box;
		width: 3in;
		margin-right: 0;
		margin-left: auto;
		padding: 0.1in;
		a[href] {
			transition: 0.4s;
			text-align: center;
			display: block;
			padding: 0.4em;
			background: linear-gradient(to right, tone(-30%, -0.6), transparent) no-repeat;
			background-position: -3in 0;
			text-decoration: none;
			& + a[href] {
				border-bottom: 1px solid tone(-40%);
				border-image: linear-gradient(to right, transparent, tone(-45%), transparent) 1 0 0 / 1px;
			}
			&:hover {
				background-position: 0 0;
			}
		}
	}
}

		'follow',
		'sub', -- get a notification for every post
		'mute', -- posts will be completely hidden at all times
		'block', -- no interactions will be permitted, but posts will remain visible
		'silence', -- messages will not be accepted
		'collapse', -- posts will be collapsed by default
		'disemvowel', -- posts will be ritually humiliated, but shown

		'avoid', -- posts will be kept out of the timeline but will show on users' posts and in conversations
		'exclude', -- own posts will not be visible to this user
	};
	credset = lib.set {
		'pw', 'otp', 'challenge', 'trust'
	};
	privset = lib.set {
................................................................................
	owner: uint64
	desc: str
	folder: str
	mime: str
	url: str
}

m.user_conf_funcs = function(be,n,ty,rty,rty2)
	rty = rty or ty
	local gt

	if not rty2 -- what the fuck?
		then gt = {&m.source, uint64, rawstring} -> rty;
		else gt = {&m.source, uint64, rawstring} -> {rty, rty2};
	end






	for k, t in pairs {
		enum = {&m.source, uint64, rawstring} -> lib.mem.ptr(rty);

		get = gt;
		set = {&m.source, uint64, rawstring, ty} -> {};
		reset = {&m.source, uint64, rawstring} -> {};
	} do
		be.entries[#be.entries+1] = {
			field = 'actor_conf_'..n..'_'..k, type = t
		}
	end
end

................................................................................
	comment: str
	netmask: m.inet
	privs: m.privset
	blacklist: bool
}

-- backends only handle content on the local server

struct m.backend { id: rawstring
	open: &m.source -> &opaque
	close: &m.source -> {}
	dbsetup: &m.source -> bool -- creates the schema needed to call conprep (called only once per database e.g. with `parsav db init`)
	conprep: {&m.source, m.prepmode.t} -> {} -- prepares queries and similar tasks that require the schema to already be in place
	obliterate_everything: &m.source -> bool -- wipes everything parsav-related out of the database

................................................................................
	-- these two functions are special, in that they should be called
	-- directly on a specific backend, rather than passed down to the
	-- backends by the server; that is pathological behavior that will
	-- not have the desired effect

	server_setup_self: {&m.source, rawstring, lib.mem.ptr(uint8)} -> {}

	conf_get: {&m.source, rawstring} -> lib.mem.ptr(int8)
	conf_set: {&m.source, rawstring, rawstring} -> {}
	conf_reset: {&m.source, rawstring} -> {}

	actor_create: {&m.source, &m.actor} -> uint64
	actor_save: {&m.source, &m.actor} -> {}
	actor_save_privs: {&m.source, &m.actor} -> {}
	actor_purge_uid: {&m.source, uint64} -> {}
	actor_fetch_xid: {&m.source, lib.mem.ptr(int8)} -> lib.mem.ptr(m.actor)
................................................................................
			-- emoji: pstring (null to delete previous reaction, otherwise adds/changes)
	post_act_cancel: {&m.source, uint64} -> {}
	post_liked_uid: {&m.source, uint64, uint64} -> bool
	post_reacted_uid: {&m.source, uint64, uint64} -> bool
	post_act_fetch_notice: {&m.source, uint64} -> m.notice

	circle_search:  {&m.source, &lib.mem.pool, uint64, uint64} -> lib.mem.ptr(m.circle)
	circle_create: {&m.source, uint64, pstring} -> {}
	circle_destroy: {&m.source, uint64, uint64} -> {}
	circle_members_fetch_cid:  {&m.source, &lib.mem.pool, uint64, uint64} -> lib.mem.ptr(uint64)
	circle_members_fetch_name: {&m.source, &lib.mem.pool, uint64, pstring} -> lib.mem.ptr(uint64)
	circle_members_add_uid: {&m.source, uint64, uint64} -> {}
	circle_members_del_uid: {&m.source, uint64, uint64} -> {}


	thread_latest_arrival_calc: {&m.source, uint64} -> m.timepoint

	artifact_instantiate: {&m.source, lib.mem.ptr(uint8), lib.mem.ptr(int8)} -> uint64
		-- instantiate an artifact in the database, either installing a new
		-- artifact or returning the id of an existing artifact with the same hash
			-- artifact: bytea
................................................................................
	nkvd_sanction_vacate: {&m.source, uint64} -> {}
	nkvd_sanction_enum_target: {&m.source, uint64} -> {}
	nkvd_sanction_enum_issuer: {&m.source, uint64} -> {}
	nkvd_sanction_review: {&m.source, m.timepoint} -> {}

	timeline_actor_fetch_uid: {&m.source, uint64, m.range} -> lib.mem.lstptr(m.post)
	timeline_instance_fetch: {&m.source, m.range} -> lib.mem.lstptr(m.post)

}

m.user_conf_funcs(m.backend, 'str', rawstring, lib.mem.ptr(int8))
m.user_conf_funcs(m.backend, 'int', intptr, intptr, bool)

struct m.source {
	backend: &m.backend
	id: lib.mem.ptr(int8)
	handle: &opaque
	string: lib.mem.ptr(int8)
}

		'follow',
		'sub', -- get a notification for every post
		'mute', -- posts will be completely hidden at all times
		'block', -- no interactions will be permitted, but posts will remain visible
		'silence', -- messages will not be accepted
		'collapse', -- posts will be collapsed by default
		'disemvowel', -- posts will be ritually humiliated, but shown
		'attenuate', -- user's retweets will not be shown
		'avoid', -- posts will be kept out of the timeline but will show on users' posts and in conversations
		'exclude', -- own posts will not be visible to this user
	};
	credset = lib.set {
		'pw', 'otp', 'challenge', 'trust'
	};
	privset = lib.set {
................................................................................
	owner: uint64
	desc: str
	folder: str
	mime: str
	url: str
}

m.user_conf_funcs = function(be,n,mem,ty,rty,rty2)
	rty = rty or ty
	local gt
	if not mem then
		if not rty2 -- what the fuck?
			then gt = {&m.source, uint64, lib.str.t} -> rty;
			else gt = {&m.source, uint64, lib.str.t} -> {rty, rty2};
		end
	else
		if not rty2 -- what the fuck?
			then gt = {&m.source, &lib.mem.pool, uint64, lib.str.t} -> rty;
			else gt = {&m.source, &lib.mem.pool, uint64, lib.str.t} -> {rty, rty2};
		end
	end
	for k, t in pairs {

		enum = {&m.source, &lib.mem.pool, uint64, lib.str.t} -> lib.mem.ptr(rty);
		get = gt;
		set = {&m.source, uint64, lib.str.t, ty} -> {};
		reset = {&m.source, uint64, lib.str.t} -> {};
	} do
		be.entries[#be.entries+1] = {
			field = 'actor_conf_'..n..'_'..k, type = t
		}
	end
end

................................................................................
	comment: str
	netmask: m.inet
	privs: m.privset
	blacklist: bool
}

-- backends only handle content on the local server
local pstring = lib.str.t
struct m.backend { id: rawstring
	open: &m.source -> &opaque
	close: &m.source -> {}
	dbsetup: &m.source -> bool -- creates the schema needed to call conprep (called only once per database e.g. with `parsav db init`)
	conprep: {&m.source, m.prepmode.t} -> {} -- prepares queries and similar tasks that require the schema to already be in place
	obliterate_everything: &m.source -> bool -- wipes everything parsav-related out of the database

................................................................................
	-- these two functions are special, in that they should be called
	-- directly on a specific backend, rather than passed down to the
	-- backends by the server; that is pathological behavior that will
	-- not have the desired effect

	server_setup_self: {&m.source, rawstring, lib.mem.ptr(uint8)} -> {}

	conf_get: {&m.source, lib.str.t} -> lib.mem.ptr(int8)
	conf_set: {&m.source, lib.str.t, lib.str.t} -> {}
	conf_reset: {&m.source, rawstring} -> {}

	actor_create: {&m.source, &m.actor} -> uint64
	actor_save: {&m.source, &m.actor} -> {}
	actor_save_privs: {&m.source, &m.actor} -> {}
	actor_purge_uid: {&m.source, uint64} -> {}
	actor_fetch_xid: {&m.source, lib.mem.ptr(int8)} -> lib.mem.ptr(m.actor)
................................................................................
			-- emoji: pstring (null to delete previous reaction, otherwise adds/changes)
	post_act_cancel: {&m.source, uint64} -> {}
	post_liked_uid: {&m.source, uint64, uint64} -> bool
	post_reacted_uid: {&m.source, uint64, uint64} -> bool
	post_act_fetch_notice: {&m.source, uint64} -> m.notice

	circle_search:  {&m.source, &lib.mem.pool, uint64, uint64} -> lib.mem.ptr(m.circle)
	circle_create: {&m.source, uint64, lib.str.t} -> uint64
	circle_destroy: {&m.source, uint64, uint64} -> {}
	circle_members_fetch_cid:  {&m.source, &lib.mem.pool, uint64} -> lib.mem.ptr(uint64)
	circle_members_fetch_name: {&m.source, &lib.mem.pool, uint64, pstring} -> lib.mem.ptr(uint64)
	circle_members_add_uid: {&m.source, uint64, uint64} -> {}
	circle_members_del_uid: {&m.source, uint64, uint64} -> {}
	circle_memberships_uid: {&m.source, &lib.mem.pool, uint64, uint64} -> lib.mem.ptr(m.circle)

	thread_latest_arrival_calc: {&m.source, uint64} -> m.timepoint

	artifact_instantiate: {&m.source, lib.mem.ptr(uint8), lib.mem.ptr(int8)} -> uint64
		-- instantiate an artifact in the database, either installing a new
		-- artifact or returning the id of an existing artifact with the same hash
			-- artifact: bytea
................................................................................
	nkvd_sanction_vacate: {&m.source, uint64} -> {}
	nkvd_sanction_enum_target: {&m.source, uint64} -> {}
	nkvd_sanction_enum_issuer: {&m.source, uint64} -> {}
	nkvd_sanction_review: {&m.source, m.timepoint} -> {}

	timeline_actor_fetch_uid: {&m.source, uint64, m.range} -> lib.mem.lstptr(m.post)
	timeline_instance_fetch: {&m.source, m.range} -> lib.mem.lstptr(m.post)
	timeline_circle_fetch: {&m.source, uint64, m.range} -> lib.mem.lstptr(m.post)
}

m.user_conf_funcs(m.backend, 'str', true,  lib.str.t, lib.str.t)
m.user_conf_funcs(m.backend, 'int', false, intptr, intptr, bool)

struct m.source {
	backend: &m.backend
	id: lib.mem.ptr(int8)
	handle: &opaque
	string: lib.mem.ptr(int8)
}

	str = str:gsub('%s+[\n$]','')
	str = str:gsub('\n','')
	str = str:gsub('</a><a ','</a> <a ') -- keep nav links from getting smooshed
	str = str:gsub(tplchar .. '%?([-%w]+)', function(file)
		if not docs[file] then docs[file] = data.doc[file] end
		return string.format('<a href="#help-%s" class="help">?</a>', file)
	end)
	for start, mode, key, stop in string.gmatch(str,'()'..tplchar..'([:!]?)(%w+)()') do
		if string.sub(str,start-1,start-1) ~= '\\' then
			segs[#segs+1] = string.sub(str,last,start-1)
			fields[#segs] = { key = key, mode = (mode ~= '' and mode or nil) }
			last = stop
		end
	end
	segs[#segs+1] = string.sub(str,last)

	for i, s in ipairs(segs) do
		segs[i] = string.gsub(s, '\\'..tplchar, tplchar_o)

	str = str:gsub('%s+[\n$]','')
	str = str:gsub('\n','')
	str = str:gsub('</a><a ','</a> <a ') -- keep nav links from getting smooshed
	str = str:gsub(tplchar .. '%?([-%w]+)', function(file)
		if not docs[file] then docs[file] = data.doc[file] end
		return string.format('<a href="#help-%s" class="help">?</a>', file)
	end)
	for start, mode, key, stop in string.gmatch(str,'()'..tplchar..'([:!]?)([-a-zA-Z0-9_]+)()') do
		if string.sub(str,start-1,start-1) ~= '\\' then
			segs[#segs+1] = string.sub(str,last,start-1)
			fields[#segs] = { key = key:gsub('-','_'), mode = (mode ~= '' and mode or nil) }
			last = stop
		end
	end
	segs[#segs+1] = string.sub(str,last)

	for i, s in ipairs(segs) do
		segs[i] = string.gsub(s, '\\'..tplchar, tplchar_o)

<ul class="directory">
	@circles
</ul>

<details@newattr>
	<summary>create new circle</summary>
	<form method="post">
		<div class="elem">
			<label for="name">circle name</label>
			<input type="text" id="name" name="name" placeholder="dorks">
		</div>
		<button name="act" value="create">create</button>
	</form>
</details>

<form method="post">
	<div class="elem"><label>handle</label> <div class="txtbox">@!handle</div></div>
	<div class="elem"><label for="nym">display name</label> <input type="text" name="nym" id="nym" placeholder="j. random poster" value="@:nym"></div>
	<div class="elem"><label for="bio">bio</label><textarea name="bio" id="bio" placeholder="tall, dark, and mysterious">@!bio</textarea></div>
	<div class="elem color-picker"><label for="hue">accent</label><input type="range" min="0" max="360" value="@hue" name="hue" id="hue" data-color-pick></div>












	<menu class="choice vertical">
		<button>commit all</button>
		<button name="act" value="reset-hue">use server colors</button>
	</menu> 
</form>

<form method="post">
	<div class="elem"><label>handle</label> <div class="txtbox">@!handle</div></div>
	<div class="elem"><label for="nym">display name</label> <input type="text" name="nym" id="nym" placeholder="j. random poster" value="@:nym"></div>
	<div class="elem"><label for="bio">bio</label><textarea name="bio" id="bio" placeholder="tall, dark, and mysterious">@!bio</textarea></div>
	<div class="elem color-picker"><label for="hue">accent</label><input type="range" min="0" max="360" value="@hue" name="hue" id="hue" data-color-pick></div>
	<div class="elem-group">
		<div class="elem">
			<label for="acl-follow">who can follow me</label>
			<input type="text" class="acl" name="acl-follow"
				   id="acl-follow" placeholder="allow local" value="@:acl-follow">
		</div>
		<div class="elem">
			<label for="acl-follow-req">who can request to follow me</label>
			<input type="text" class="acl" name="acl-follow-req"
				   id="acl-follow-req" placeholder="deny +dorks" value="@:acl-follow-req">
		</div>
	</div>
	<menu class="choice vertical">
		<button>commit all</button>
		<button name="act" value="reset-hue">use server colors</button>
	</menu> 
</form>

		<link rel="stylesheet" type="text/css" href="/s/style.css">
		<script type="text/javascript" src="/s/live.js" async></script>
	</head>
	<body class="@class"@attr>
		<header><div>
			<h1>@title</h1>
			<nav>
				<a accesskey="i" href="/instance">instance</a>
				@navlinks
			</nav>
		</div></header>
		<main>
			@body
		</main>
	</body>
</html>

		<link rel="stylesheet" type="text/css" href="/s/style.css">
		<script type="text/javascript" src="/s/live.js" async></script>
	</head>
	<body class="@class"@attr>
		<header><div>
			<h1>@title</h1>
			<nav>
				<a accesskey="i" href="/instance"><u>i</u>nstance</a>
				@navlinks
			</nav>
		</div></header>
		<main>
			@body
		</main>
	</body>
</html>

local sources = {
	'docskel';
	'confirm';
	'tweet';
	'profile';
	'compose';
	'notice';


	'media-gallery';
	'media-upload';
	'media-image';
	'media-text';

	'login-username';
	'login-challenge';

	'conf';
	'conf-profile';


	'conf-sec';
	'conf-sec-credmg';
	'conf-sec-pwnew';
	'conf-sec-keynew';
	'conf-user-ctl';
}

local sources = {
	'docskel';
	'confirm';
	'tweet';
	'profile';
	'compose';
	'notice';
	'report';

	'media-gallery';
	'media-upload';
	'media-image';
	'media-text';

	'login-username';
	'login-challenge';

	'conf';
	'conf-profile';
	'conf-circles';
	'conf-circle-view';
	'conf-sec';
	'conf-sec-credmg';
	'conf-sec-pwnew';
	'conf-sec-keynew';
	'conf-user-ctl';
}

		<button name="act" value="encircle">commit</button>
	</details>
	<details>
		<summary>sanctions</summary>
		<menu>
			@sanctions
			<div class="opt">
				<button class="neg" name="act" value="report">report</button>
				<p>if this user is violating instance rules, you can report this behavior to moderation staff and ask them to take action. please do not report users simply because you dislike them; this is what the above options are for.</p>
			</div>
		</menu>
	</details>
</div></form>

		<button name="act" value="encircle">commit</button>
	</details>
	<details>
		<summary>sanctions</summary>
		<menu>
			@sanctions
			<div class="opt">
				<a class="neg button" href="/@:xid/report">report</a>
				<p>if this user is violating instance rules, you can report this behavior to moderation staff and ask them to take action. please do not report users simply because you dislike them; this is what the above options are for.</p>
			</div>
		</menu>
	</details>
</div></form>

<form method="post">
	<p>if you feel that this post has violated the rules of this instance, you can report it to the local moderation team and request that they take action. this may include suppressing the offending post, suspending the user, or passing complaints onwards to the offending user's instance, if remote. please explain how you believe the post violates instance rules and what, if any, action you believe is appropriate.</p>
	@badtweet
	<div class="elem">
		<label for="report">report</label>
		<textarea id="report" name="report" placeholder="this running dog is spreading counterrevolutionary agitprop amongst the people, sir! he must be dealt with by the cadres at once"></textarea>
	</div>
	<menu class="horizontal choice">
		<button>issue report</button>
		<a class="button" href="@clnk">cancel</a>
	</menu>
</form>