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<verbatim> -- -- $Id: DET_Blog.sql,v 1.3 2007/09/21 08:59:11 mitko Exp $ -- -- This file is part of the OpenLink Software Virtuoso Open-Source (VOS) -- project. -- -- Copyright (C) 1998-2006 OpenLink Software -- -- This project is free software; you can redistribute it and/or modify it -- under the terms of the GNU General Public License as published by the -- Free Software Foundation; only version 2 of the License, dated June 1991. -- -- This program is distributed in the hope that it will be useful, but -- WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -- General Public License for more details. -- -- You should have received a copy of the GNU General Public License along -- with this program; if not, write to the Free Software Foundation, Inc., -- 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -- use DB ; EXEC_STMT ('create view BLOG.DBA.SYS_BLOG_OWNERS (U_ID, U_NAME, U_FULL_NAME, U_GROUP, WAI_ID, WAI_NAME, BI_BLOG_ID ) as select U_ID, U_NAME, U_FULL_NAME, U_GROUP, WAI_ID, WAI_NAME, BI_BLOG_ID from DB.DBA.SYS_USERS join WA_MEMBER on (WAM_USER = U_ID) join WA_INSTANCE on (WAI_NAME = WAM_INST) join BLOG.DBA.SYS_BLOG_INFO on (BI_WAI_NAME = WAI_NAME) where U_IS_ROLE = 0 and WAM_MEMBER_TYPE = 1 and WAI_TYPE_NAME = \'WEBLOG2\'', 0) ; create function "Blog_FIXNAME" (in mailname any) returns varchar { return replace ( replace ( replace ( replace ( replace ( replace ( replace (mailname, '/', '_'), '\\', '_'), ':', '_'), '+', '_'), '\"', '_'), '[', '_'), ']', '_'); --" } ; create function "Blog_COMPOSE_HTML_NAME" (in title varchar, in id varchar) returns varchar { declare ctr, len integer; declare res varchar; if (title is null or title = '') return sprintf ('[%s].html', id); return sprintf ('%s [%s].html', "Blog_FIXNAME"(title), id); } ; create function "Blog_COMPOSE_COMMENTS_NAME" (in title varchar, in id varchar) returns varchar { declare ctr, len integer; declare res varchar; if (title is null or title = '') return sprintf ('[%s] Comments', id); return sprintf ('%s [%s] Comments', "Blog_FIXNAME"(title), id); } ; create procedure "Blog_PARSE_HTML_NAME" (in fullname varchar, out title_pattern varchar, out id varchar) { declare split any; title_pattern := null; id := null; split := regexp_parse ('^([^[]*)\\[([A-Za-z0-9_.-]*)\\]\\.html\044', fullname, 0); if (split is null) { split := regexp_parse ('^([^[]*)\\.html\044', fullname, 0); if (split is null) return; id := null; } else id := subseq (fullname, split[4], split[5]); title_pattern := subseq (fullname, split[2], split[3]); if (title_pattern <> '') title_pattern := subseq (title_pattern, 0, length (title_pattern) - 1); } ; create procedure "Blog_PARSE_COMMENTS_NAME" (in fullname varchar, out title_pattern varchar, out id varchar) { declare split any; title_pattern := null; id := null; split := regexp_parse ('^([^[]*)\\[([A-Za-z0-9_.-]*)\\] Comments\044', fullname, 0); if (split is null) return; id := subseq (fullname, split[4], split[5]); title_pattern := subseq (fullname, split[2], split[3]); if (title_pattern <> '') title_pattern := subseq (title_pattern, 0, length (title_pattern) - 1); } ; create function "Blog_CHANNEL_DESC_NAMES" () returns any { return vector ('atom.xml', 'index.ocs', 'index.opml', 'index.rdf', 'rss.xml', 'xbel.xml'); } ; create function "Blog_GET_USER_ID" (in domain_id int) returns int { declare user_id int; user_id := (select A.U_ID from SYS_USERS A, WA_MEMBER B, WA_INSTANCE C where B.WAM_USER = A.U_ID and B.WAM_MEMBER_TYPE = 1 and B.WAM_INST = C.WAI_NAME and C.WAI_ID = domain_id); return user_id; } ; create function "Blog_ACCESS_PARAMS" (in detcol_id any, out access varchar, out gid integer, out uid integer) { declare access_tmp varchar; whenever not found goto ret; access := '000000000N'; gid := http_nogroup_gid (); uid := http_nobody_uid (); if (isinteger (detcol_id)) { select COL_PERMS, COL_GROUP, COL_OWNER into access_tmp, gid, uid from WS.WS.SYS_DAV_COL where COL_ID = detcol_id; } access[0] := access_tmp[0]; access[1] := access_tmp[1]; -- access[3] := access_tmp[3]; ret: ; } ; --| This matches DAV_AUTHENTICATE (in id any, in what char(1), in req varchar, in a_uname varchar, in a_pwd varchar, in a_uid integer := null) --| The difference is that the DET function should not check whether the pair of name and password is valid; the auth_uid is not a null already. create function "Blog_DAV_AUTHENTICATE" (in id any, in what char(1), in req varchar, in auth_uname varchar, in auth_pwd varchar, in auth_uid integer) { -- dbg_obj_princ ('Blog_DAV_AUTHENTICATE (', id, what, req, auth_uname, auth_pwd, auth_uid, http_dav_uid(), ')'); if (auth_uid < 0) return -12; if (not ('110' like req)) { return -13; } if ((auth_uid <> id[3]) and (auth_uid <> http_dav_uid())) { -- dbg_obj_princ ('a_uid is ', auth_uid, ', id[3] is ', id[3], ' mismatch'); return -13; } return auth_uid; } ; --| This exactly matches DAV_AUTHENTICATE_HTTP (in id any, in what char(1), in req varchar, in can_write_http integer, inout a_lines any, inout a_uname varchar, inout a_pwd varchar, inout a_uid integer, inout a_gid integer, inout _perms varchar) returns integer --| The function should fully check access because DAV_AUTHENTICATE_HTTP do nothing with auth data either before or after calling this DET function. --| Unlike DAV_AUTHENTICATE, user name passed to DAV_AUTHENTICATE_HTTP header may not match real DAV user. --| If DET call is successful, DAV_AUTHENTICATE_HTTP checks whether the user have read permission on mount point collection. --| Thus even if DET function allows anonymous access, the whole request may fail if mountpoint is not readable by public. create function "Blog_DAV_AUTHENTICATE_HTTP" (in id any, in what char(1), in req varchar, in can_write_http integer, inout a_lines any, inout a_uname varchar, inout a_pwd varchar, inout a_uid integer, inout a_gid integer, inout _perms varchar) returns integer { declare rc integer; declare puid, pgid integer; declare u_password, pperms varchar; declare allow_anon integer; if (length (req) <> 3) return -15; whenever not found goto nf_col_or_res; puid := http_dav_uid(); pgid := coalesce ( ( select G_ID from WS.WS.SYS_DAV_GROUP where G_NAME = 'Blog_' || coalesce ((select COL_NAME from WS.WS.SYS_DAV_COL where COL_ID=id[1] and COL_DET='Blog'), '') ), puid+1); pperms := '110100100NN'; if ((what <> 'R') and (what <> 'C')) return -14; allow_anon := WS.WS.PERM_COMP (substring (cast (pperms as varchar), 7, 3), req); if (a_uid is null) { if ((not allow_anon) or ('' <> WS.WS.FINDPARAM (a_lines, 'Authorization:'))) rc := WS.WS.GET_DAV_AUTH (a_lines, allow_anon, can_write_http, a_uname, u_password, a_uid, a_gid, _perms); if (rc < 0) return rc; } if (isinteger (a_uid)) { if (a_uid < 0) return a_uid; if (a_uid = 1) -- Anonymous FTP { a_uid := 0; a_gid := 0; } } if (DAV_CHECK_PERM (pperms, req, a_uid, a_gid, pgid, puid)) return a_uid; return -13; nf_col_or_res: return -1; } ; --| This matches DAV_GET_PARENT (in id any, in st char(1), in path varchar) returns any create function "Blog_DAV_GET_PARENT" (in id any, in st char(1), in path varchar) returns any { -- dbg_obj_princ ('Blog_DAV_GET_PARENT (', id, st, path, ')'); return -20; } ; --| When DAV_COL_CREATE_INT calls DET function, authentication, check for lock and check for overwrite are passed, uid and gid are translated from strings to IDs. --| Check for overwrite, but the deletion of previously existing collection should be made by DET function. create function "Blog_DAV_COL_CREATE" (in detcol_id any, in path_parts any, in permissions varchar, in uid integer, in gid integer, in auth_uid integer) returns any { -- dbg_obj_princ ('Blog_DAV_COL_CREATE (', detcol_id, path_parts, permissions, uid, gid, auth_uid, ')'); return -20; } ; --| It looks like that this is redundant and should be removed at all. create function "Blog_DAV_COL_MOUNT" (in detcol_id any, in path_parts any, in full_mount_path varchar, in mount_det varchar, in permissions varchar, in uid integer, in gid integer, in auth_uid integer) returns any { -- dbg_obj_princ ('Blog_DAV_COL_MOUNT (', detcol_id, path_parts, full_mount_path, mount_det, permissions, uid, gid, auth_uid, ')'); return -20; } ; --| It looks like that this is redundant and should be removed at all. create function "Blog_DAV_COL_MOUNT_HERE" (in parent_id any, in full_mount_path varchar, in permissions varchar, in uid integer, in gid integer, in auth_uid integer) returns any { -- dbg_obj_princ ('Blog_DAV_COL_MOUNT_HERE (', parent_id, full_mount_path, permissions, uid, gid, auth_uid, ')'); return -20; } ; --| When DAV_DELETE_INT calls DET function, authentication and check for lock are passed. create function "Blog_DAV_DELETE" (in detcol_id any, in path_parts any, in what char(1), in silent integer, in auth_uid integer) returns integer { -- dbg_obj_princ ('Blog_DAV_DELETE (', detcol_id, path_parts, what, silent, auth_uid, ')'); return -20; } ; --| When DAV_RES_UPLOAD_STRSES_INT calls DET function, authentication and check for locks are performed before the call. --| There's a special problem, known as 'Transaction deadlock after reading from HTTP session'. --| The DET function should do only one INSERT of the 'content' into the table and do it as late as possible. --| The function should return -29 if deadlocked or otherwise broken after reading blob from HTTP. create function "Blog_DAV_RES_UPLOAD" (in detcol_id any, in path_parts any, inout content any, in type varchar, in permissions varchar, in uid integer, in gid integer, in auth_uid integer) returns any { -- dbg_obj_princ ('Blog_DAV_RES_UPLOAD (', detcol_id, path_parts, ', [content], ', content, type, permissions, uid, gid, auth_uid, ')'); declare post_title, post_title_pattern, post_id, comment_name, comment_name_pattern, comment_id, blog_id varchar; declare res_depth, rc int; whenever not found goto nf; res_depth := length (path_parts); if (res_depth < 2) return -40; if (res_depth > 3) return -40; if (res_depth = 2) -- Posts. { "Blog_PARSE_HTML_NAME" (path_parts[1], post_title_pattern, post_id); if (post_title_pattern is null) return -40; if (post_id is null) return -40; -- TBD: fix this by adding an ability of upload with no specified post id. select cast (C.B_TITLE as varchar), C.B_BLOG_ID into post_title, blog_id from BLOG.DBA.SYS_BLOG_INFO B, BLOG.DBA.SYS_BLOGS C where B.BI_WAI_NAME = path_parts[0] and B.BI_BLOG_ID = C.B_BLOG_ID and C.B_POST_ID = post_id; if (not (coalesce (post_title, '') like post_title_pattern)) return -40; -- Id does not match an existing title. declare exit handler for sqlstate '*' { goto nf; -- TBD: fix this by adding an ability of upload with specified post id. }; update BLOG.DBA.SYS_BLOGS set B_CONTENT = content where B_POST_ID = post_id and B_BLOG_ID = blog_id; return vector (UNAME_BLOG(), detcol_id, blog_id, uid, post_id, null); } if (res_depth = 3) { "Blog_PARSE_COMMENT_NAME" (path_parts[1], post_title_pattern, post_id); if (post_title_pattern is null) return -40; if (post_id is null) return -40; "Blog_PARSE_HTML_NAME" (path_parts[2], comment_name_pattern, comment_id); if (comment_name_pattern is null) return -40; if (comment_id is null) return -40; -- TBD: fix this by adding an ability of upload with no specified comment id. select cast (C.B_TITLE as varchar), C.B_BLOG_ID, D.BM_NAME into post_title, blog_id, comment_name from BLOG.DBA.SYS_BLOG_INFO B, BLOG.DBA.SYS_BLOGS C, BLOG.DBA.BLOG_COMMENTS D where B.BI_WAI_NAME = path_parts[0] and B.BI_BLOG_ID = C.B_BLOG_ID and C.B_BLOG_ID = D.BM_BLOG_ID and D.BM_POST_ID = C.B_POST_ID and C.B_POST_ID = post_id and D.BM_ID = comment_id; if (not (coalesce (post_title, '') like post_title_pattern)) return -40; -- post id does not match an existing title. if (not (coalesce (comment_name, '') like comment_name_pattern)) return -40; -- comment id does not match an existing name. declare exit handler for sqlstate '*' { goto nf; }; update BLOG.DBA.BLOG_COMMENTS set BM_COMMENT = content where BM_POST_ID = post_id and BM_BLOG_ID = blog_id and BM_ID = comment_id; return vector(UNAME_BLOG(), detcol_id, blog_id, uid, atoi(post_id), comment_id); } nf:; return -1; } ; --| When DAV_PROP_REMOVE_INT calls DET function, authentication and check for locks are performed before the call. --| The check whether it's a system name or not is _not_ permitted. create function "Blog_DAV_PROP_REMOVE" (in id any, in what char(0), in propname varchar, in silent integer, in auth_uid integer) returns integer { -- dbg_obj_princ ('Blog_DAV_PROP_REMOVE (', id, what, propname, silent, auth_uid, ')'); return -20; } ; --| When DAV_PROP_SET_INT calls DET function, authentication and check for locks are performed before the call. --| The check whether it's a system property or not is _not_ permitted and the function should return -16 for live system properties. create function "Blog_DAV_PROP_SET" (in id any, in what char(0), in propname varchar, in propvalue any, in overwrite integer, in auth_uid integer) returns any { -- dbg_obj_princ ('Blog_DAV_PROP_SET (', id, what, propname, propvalue, overwrite, auth_uid, ')'); if (propname[0] = 58) { return -16; } return -20; } ; --| When DAV_PROP_GET_INT calls DET function, authentication and check whether it's a system property are performed before the call. create function "Blog_DAV_PROP_GET" (in id any, in what char(0), in propname varchar, in auth_uid integer) { -- dbg_obj_princ ('Blog_DAV_PROP_GET (', id, what, propname, auth_uid, ')'); return -11; } ; --| When DAV_PROP_LIST_INT calls DET function, authentication is performed before the call. --| The returned list should contain only user properties. create function "Blog_DAV_PROP_LIST" (in id any, in what char(0), in propmask varchar, in auth_uid integer) { -- dbg_obj_princ ('Blog_DAV_PROP_LIST (', id, what, propmask, auth_uid, ')'); return vector (); } ; --| When DAV_PROP_GET_INT or DAV_DIR_LIST_INT calls DET function, authentication is performed before the call. create function "Blog_DAV_DIR_SINGLE" (in id any, in what char(0), in path any, in auth_uid integer) returns any { -- dbg_obj_princ ('Blog_DAV_DIR_SINGLE (', id, what, path, auth_uid, ')'); declare fullpath, rightcol, resname varchar; declare access, title, title2 varchar; declare ownergid, owner_uid integer; fullpath := ''; "Blog_ACCESS_PARAMS" (id[1], access, ownergid, owner_uid); title := coalesce ((select "Blog_FIXNAME" (WAI_NAME) from BLOG.DBA.SYS_BLOG_OWNERS where U_ID = owner_uid and BI_BLOG_ID = id[2])); if (title is null) return -1; fullpath := concat(DAV_SEARCH_PATH (id[1], 'C'), title); if ('C' = what) { declare maxrcvdate datetime; if (id[5] is not null) return -1; if (id[4] is not null) { whenever not found goto no_comments; select cast (SB.B_TITLE as varchar), (select max (BC.BM_TS) from BLOG.DBA.BLOG_COMMENTS BC where BC.BM_BLOG_ID = SB.B_BLOG_ID and BC.BM_POST_ID = SB.B_POST_ID ) into title2, maxrcvdate from BLOG.DBA.SYS_BLOGS SB where SB.B_BLOG_ID = id[2] and SB.B_POST_ID = id[4]; if (maxrcvdate is null) goto no_comments; title2 := "Blog_COMPOSE_COMMENTS_NAME" (title2, cast (id[4] as varchar)); return vector (fullpath || '/' || title2 || '/', 'C', 0, maxrcvdate, id, --access, '100000000NN', ownergid, owner_uid, maxrcvdate, 'dav/unix-directory', title2); no_comments: return -1; } maxrcvdate := coalesce ( (select max(B_TS) from BLOG.DBA.SYS_BLOGS where B_BLOG_ID = id[2]), cast ('1980-01-01' as datetime)); return vector (fullpath || '/', 'C', 0, maxrcvdate, id, --access, '100000000NN', ownergid, owner_uid, maxrcvdate, 'dav/unix-directory', title); } -- The rest is for resources. if (id[4] is null) -- special resource for whole channel { if (position (id[5], "Blog_CHANNEL_DESC_NAMES" ()) = 0) return -1; return vector (fullpath || '/' || id[5], 'R', 1024, now(), id, --access, '100000000N', ownergid, owner_uid, now(), 'text/xml', id[5]); } if (id[5] is null) -- blog post; { for select "Blog_COMPOSE_HTML_NAME" (B_TITLE, B_POST_ID) as post_name, length(B_CONTENT) as DSIZE, B_TS, B_MODIFIED from BLOG.DBA.SYS_BLOGS SB where SB.B_POST_ID = id[4] and SB.B_BLOG_ID = id[2] do { return vector(fullpath || '/' || post_name, 'R', DSIZE, B_TS, id, --access, '110000000N', ownergid, owner_uid, B_MODIFIED, 'text/html', post_name ); } return -1; } else -- blog comment { for select "Blog_COMPOSE_COMMENTS_NAME" (B_TITLE, B_POST_ID) as orig_mname, length(B_CONTENT) as DSIZE, B_TS, B_MODIFIED from BLOG.DBA.SYS_BLOGS SB where SB.B_POST_ID = id[4] and SB.B_BLOG_ID = id[2] do { return vector(fullpath || '/' || orig_mname, 'R', DSIZE, B_TS, id, --access, '110000000NN', ownergid, owner_uid, B_MODIFIED, 'text/html', orig_mname ); } for select "Blog_COMPOSE_HTML_NAME" (D.BM_NAME, cast(D.BM_ID as varchar)) as comment_name, D.BM_TS as BM_TS, length(D.BM_COMMENT) as DSIZE from BLOG.DBA.BLOG_COMMENTS D where D.BM_BLOG_ID = id[2] and D.BM_POST_ID = id[4] and D.BM_ID = id[5] do { return vector (DAV_CONCAT_PATH (fullpath, comment_name), 'R', DSIZE, BM_TS, id, '110000000NN', ownergid, owner_uid, BM_TS, 'text/html', comment_name ); } return -1; } } ; --| When DAV_PROP_GET_INT or DAV_DIR_LIST_INT calls DET function, authentication is performed before the call. create function "Blog_DAV_DIR_LIST" (in detcol_id any, in path_parts any, in detcol_path varchar, in name_mask varchar, in recursive integer, in auth_uid integer) returns any { -- dbg_obj_princ ('Blog_DAV_DIR_LIST (', detcol_id, path_parts, detcol_path, name_mask, recursive, auth_uid, ')'); declare mdomain_id, muser_id, mfolder_id integer; declare mnamefmt varchar; declare top_davpath varchar; declare res any; declare top_id, descnames any; declare what char (1); declare access varchar; declare ownergid, owner_uid, dn_ctr, dn_count integer; mnamefmt := null; vectorbld_init (res); "Blog_ACCESS_PARAMS" (detcol_id, access, ownergid, owner_uid); if ((0 = length (path_parts)) or ('' = path_parts[length (path_parts) - 1])) what := 'C'; else what := 'R'; if ('C' = what and 1 = length(path_parts)) top_id := vector (UNAME_BLOG(), detcol_id, null, owner_uid, null, null); -- may be a fake id because top_id[4] may be NULL else top_id := "Blog_DAV_SEARCH_ID" (detcol_id, path_parts, what); if (DAV_HIDE_ERROR (top_id) is null) { return vector(); } top_davpath := DAV_CONCAT_PATH (detcol_path, path_parts); if ('R' = what) { return vector ("Blog_DAV_DIR_SINGLE" (top_id, what, top_davpath, auth_uid)); } if (top_id[2] is null) { for select WAI_NAME as wai_orig_name, "Blog_FIXNAME" (WAI_NAME) as wai_fixed_name, WAI_ID as id, BI_BLOG_ID as blog_id from BLOG.DBA.SYS_BLOG_OWNERS where U_ID = owner_uid do { declare maxrcvdate datetime; maxrcvdate := coalesce ( (select max(B_TS) from BLOG.DBA.SYS_BLOGS SB where SB.B_BLOG_ID = blog_id), cast ('1980-01-01' as datetime));; vectorbld_acc (res, vector (DAV_CONCAT_PATH (top_davpath, wai_fixed_name) || '/', 'C', 0, maxrcvdate, vector (UNAME_BLOG(), detcol_id, blog_id, owner_uid, null, null), access, ownergid, owner_uid, maxrcvdate, 'dav/unix-directory', wai_fixed_name) ); } goto finalize_res; } if (top_id[4] is null) { for select "Blog_COMPOSE_HTML_NAME" (B_TITLE, B_POST_ID) as post_name, "Blog_COMPOSE_COMMENTS_NAME" (B_TITLE, B_POST_ID) as comments_name, B_BLOG_ID, B_POST_ID as m_id, B_TS, length(B_CONTENT) as DSIZE, B_MODIFIED as B_MODIFIED from BLOG.DBA.SYS_BLOGS where B_BLOG_ID = top_id[2] do { if (post_name like name_mask) vectorbld_acc (res, vector (DAV_CONCAT_PATH (top_davpath, post_name), 'R', DSIZE, B_TS, vector (UNAME_BLOG(), detcol_id, top_id[2], owner_uid, m_id, null), access, ownergid, owner_uid, B_MODIFIED, 'text/html', post_name ) ); if (exists (select top 1 1 from BLOG.DBA.BLOG_COMMENTS where BM_POST_ID = m_id and BM_BLOG_ID = top_id[2])) { vectorbld_acc (res, vector (DAV_CONCAT_PATH (top_davpath, comments_name) || '/', 'C', 0, B_TS, vector (UNAME_BLOG(), detcol_id, top_id[2], owner_uid, m_id, null), access, ownergid, owner_uid, B_MODIFIED, 'dav/unix-directory', comments_name) ); } } descnames := "Blog_CHANNEL_DESC_NAMES"(); dn_count := length (descnames); for (dn_ctr := 0; dn_ctr < dn_count; dn_ctr := dn_ctr + 1) { declare dname varchar; dname := descnames[dn_ctr]; vectorbld_acc (res, vector(DAV_CONCAT_PATH(top_davpath, dname), 'R', 1024, now(), vector(UNAME_BLOG(), detcol_id, top_id[2], owner_uid, null, dname), access, ownergid, owner_uid, now(), 'text/xml', dname ) ); } } else { for select orig_mname, DSIZE, BM_TS, BM_ID from (select "Blog_COMPOSE_HTML_NAME" (BM_NAME, cast(BM_ID as varchar)) as orig_mname, BM_ID, BM_TS, length (BM_COMMENT) as DSIZE from BLOG.DBA.BLOG_COMMENTS where BM_BLOG_ID = top_id[2] and BM_POST_ID = top_id[4]) m1 where orig_mname like name_mask do { vectorbld_acc (res, vector (DAV_CONCAT_PATH(top_davpath, orig_mname), 'R', DSIZE, BM_TS, vector (UNAME_BLOG(), detcol_id, top_id[2], owner_uid, top_id[4], BM_ID), access, ownergid, owner_uid, BM_TS, 'text/html', orig_mname ) ); } } finalize_res: vectorbld_final (res); return res; } ; create procedure "Blog_POST_DAV_FC_PRED_METAS" (inout pred_metas any) { pred_metas := vector ( 'B_BLOG_ID', vector ('SYS_BLOGS' , 0, 'varchar' , 'B_BLOG_ID' ), 'B_POST_ID', vector ('SYS_BLOGS' , 0, 'varchar' , 'B_POST_ID' ), 'RES_ID', vector ('SYS_BLOGS' , 0, 'any' , 'vector (UNAME_BLOG(), B_BLOG_ID, U_ID, B_POST_ID, null)' ), 'RES_ID_SERIALIZED', vector ('SYS_BLOGS' , 0, 'varchar' , 'serialize (vector (UNAME_BLOG(), B_BLOG_ID, U_ID, B_POST_ID, null))' ), 'RES_NAME', vector ('SYS_BLOGS' , 0, 'varchar' , '"Blog_COMPOSE_HTML_NAME" (B_TITLE, B_POST_ID)' ), 'RES_FULL_PATH', vector ('SYS_BLOGS' , 0, 'varchar' , 'concat (DAV_CONCAT_PATH (_param.detcolpath, "Blog_FIXNAME" (WAI_NAME)), ''/'', "Blog_COMPOSE_HTML_NAME" (B_TITLE, B_POST_ID))' ), 'RES_TYPE', vector ('SYS_BLOGS' , 0, 'varchar' , '(''text/plain'')' ), 'RES_OWNER_ID', vector ('SYS_BLOG_OWNERS' , 0, 'integer' , 'U_ID' ), 'RES_OWNER_NAME', vector ('SYS_BLOG_OWNERS' , 0, 'varchar' , 'U_NAME' ), 'RES_GROUP_ID', vector ('SYS_BLOGS' , 0, 'integer' , 'http_nogroup_gid()' ), 'RES_GROUP_NAME', vector ('SYS_BLOGS' , 0, 'varchar' , '(''nogroup'')' ), 'RES_COL_FULL_PATH', vector ('SYS_BLOGS' , 0, 'varchar' , 'concat (DAV_CONCAT_PATH (_param.detcolpath, "Blog_FIXNAME" (WAI_NAME)), ''/'')' ), 'RES_COL_NAME', vector ('SYS_BLOGS' , 0, 'varchar' , '"Blog_FIXNAME" (WAI_NAME)' ), -- 'RES_COL_ID', vector ('SYS_DAV_RES' , 0, 'varchar' , 'RES_COL' ), 'RES_CR_TIME', vector ('SYS_BLOGS' , 0, 'datetime' , 'B_TS' ), 'RES_MOD_TIME', vector ('SYS_BLOGS' , 0, 'datetime' , 'B_MODIFIED' ), 'RES_PERMS', vector ('SYS_BLOGS' , 0, 'varchar' , '(''110000000RR'')' ), 'RES_CONTENT', vector ('SYS_BLOGS' , 0, 'text' , 'B_CONTENT' ), 'PROP_NAME', vector ('SYS_BLOGS' , 0, 'varchar' , '(''Content'')' ), 'PROP_VALUE', vector ('SYS_BLOGS' , 1, 'text' , 'B_CONTENT' ), 'RES_TAGS', vector ('SYS_BLOGS' , 0, 'varchar' , '('''')' ), -- 'varchar', not 'text-tag' because there's no free-text on union 'RES_PUBLIC_TAGS', vector ('SYS_BLOGS' , 0, 'varchar' , '('''')' ), 'RES_PRIVATE_TAGS', vector ('SYS_BLOGS' , 0, 'varchar' , '('''')' ), 'RDF_PROP', vector ('SYS_BLOGS' , 1, 'varchar' , NULL ), 'RDF_VALUE', vector ('SYS_BLOGS' , 2, 'XML' , NULL ), 'RDF_OBJ_VALUE', vector ('SYS_BLOGS' , 3, 'XML' , NULL ) ); } ; create procedure "Blog_POST_DAV_FC_TABLE_METAS" (inout table_metas any) { table_metas := vector ( 'SYS_BLOGS' , vector ( '\n inner join BLOG.DBA.SYS_BLOGS as ^{alias}^ on ((^{alias}^.B_BLOG_ID = _top.B_BLOG_ID) and (^{alias}^.B_POST_ID = _top.B_POST_ID)^{andpredicates}^)' , '\n exists (select 1 from BLOG.DBA.SYS_BLOGS as ^{alias}^ where (^{alias}^.B_BLOG_ID = _top.B_BLOG_ID) and (^{alias}^.B_POST_ID = _top.B_POST_ID)^{andpredicates}^)' , 'B_CONTENT' , 'B_CONTENT' , '[__quiet] /' ), 'SYS_BLOG_OWNERS' , vector ( '' , '' , NULL , NULL , NULL ) -- 'SYS_BLOG_OWNERS' , vector ( '\n left outer join BLOG.DBA.SYS_BLOG_OWNERS as ^{alias}^ on ((^{alias}^.BI_BLOG_ID = _top.B_BLOG_ID)^{andpredicates}^)' , -- '\n exists (select 1 from BLOG.DBA.SYS_BLOG_OWNERS as ^{alias}^ where (^{alias}^.BI_BLOG_ID = _top.B_BLOG_ID)^{andpredicates}^)' , -- NULL , NULL , NULL ) -- 'SYS_DAV_COL' , vector ( '\n inner join WS.WS.SYS_DAV_COL as ^{alias}^ on ((^{alias}^.COL_ID = _param.detcol)^{andpredicates}^)' , -- '\n exists (select 1 from WS.WS.SYS_DAV_COL as ^{alias}^ where (^{alias}^.COL_ID = _param.detcol)^{andpredicates}^)' , -- NULL , NULL , NULL ), -- 'SYS_DAV_GROUP' , vector ( '\n left outer join WS.WS.SYS_DAV_GROUP as ^{alias}^ on ((^{alias}^.G_ID = _top.RES_GROUP)^{andpredicates}^)' , -- '\n exists (select 1 from WS.WS.SYS_DAV_GROUP as ^{alias}^ where (^{alias}^.G_ID = _top.RES_GROUP)^{andpredicates}^)' , -- NULL , NULL , NULL )--, -- 'SYS_DAV_PROP' , vector ( '\n inner join WS.WS.SYS_DAV_PROP as ^{alias}^ on ((^{alias}^.PROP_PARENT_ID = _top.RES_ID) and (^{alias}^.PROP_TYPE = ''R'')^{andpredicates}^)' , -- '\n exists (select 1 from WS.WS.SYS_DAV_PROP as ^{alias}^ where (^{alias}^.PROP_PARENT_ID = _top.RES_ID) and (^{alias}^.PROP_TYPE = ''R'')^{andpredicates}^)' , -- 'PROP_VALUE' , 'PROP_VALUE' , '[__quiet __davprop xmlns:virt="virt"] .' ), -- 'public-tags' , vector ( '\n inner join WS.WS.SYS_DAV_TAG as ^{alias}^ on ((^{alias}^.DT_RES_ID = _top.RES_ID) and (^{alias}^.DT_U_ID = http_nobody_uid())^{andpredicates}^)' , -- '\n exists (select 1 from WS.WS.SYS_DAV_TAG as ^{alias}^ where (^{alias}^.DT_RES_ID = _top.RES_ID) and (^{alias}^.DT_U_ID = http_nobody_uid())^{andpredicates}^)' , -- 'DT_TAGS' , 'DT_TAGS' , NULL ), -- 'private-tags' , vector ( '\n inner join WS.WS.SYS_DAV_TAG as ^{alias}^ on ((^{alias}^.DT_RES_ID = _top.RES_ID) and (^{alias}^.DT_U_ID = ^{uid}^)^{andpredicates}^)' , -- '\n exists (select 1 from WS.WS.SYS_DAV_TAG as ^{alias}^ where (^{alias}^.DT_RES_ID = _top.RES_ID) and (^{alias}^.DT_U_ID = ^{uid}^)^{andpredicates}^)' , -- 'DT_TAGS' , 'DT_TAGS' , NULL ), -- 'all-tags' , vector ( '\n inner join (select * from WS.WS.SYS_DAV_TAG ^{alias}^_pub where ^{alias}^_pub.DT_U_ID = http_nobody_uid() union select * from WS.WS.SYS_DAV_TAG ^{alias}^_prv where ^{alias}^_prv.DT_U_ID = ^{uid}^) as ^{alias}^ on ((^{alias}^.DT_RES_ID = _top.RES_ID)^{andpredicates}^)' , -- '\n exists (select 1 from (select * from WS.WS.SYS_DAV_TAG ^{alias}^_pub where ^{alias}^_pub.DT_U_ID = http_nobody_uid() union select * from WS.WS.SYS_DAV_TAG ^{alias}^_prv where ^{alias}^_prv.DT_U_ID = ^{uid}^) as ^{alias}^ where (^{alias}^.DT_RES_ID = _top.RES_ID)^{andpredicates}^)' , -- 'DT_TAGS' , 'DT_TAGS' , NULL ) ); } ; -- This prints the fragment that starts after 'FROM WS.WS.SYS_BLOGS' and contains the rest of FROM and whole 'WHERE' create function "Blog_POST_DAV_FC_PRINT_WHERE" (inout filter any, in param_uid integer) returns varchar { declare pred_metas, cmp_metas, table_metas any; declare used_tables any; -- dbg_obj_princ ('Blog_POST_DAV_FC_PRINT_WHERE (', filter, param_uid, ')'); "Blog_POST_DAV_FC_PRED_METAS" (pred_metas); DAV_FC_CMP_METAS (cmp_metas); "Blog_POST_DAV_FC_TABLE_METAS" (table_metas); used_tables := vector ( 'SYS_BLOGS', vector ('SYS_BLOGS', '_top', null, vector (), vector (), vector ()), 'SYS_BLOG_OWNERS', vector ('SYS_BLOG_OWNERS', '_owners', null, vector (), vector (), vector ()) ); return DAV_FC_PRINT_WHERE_INT (filter, pred_metas, cmp_metas, table_metas, used_tables, param_uid); } ; create procedure "Blog_COMMENT_DAV_FC_PRED_METAS" (inout pred_metas any) { pred_metas := vector ( 'BM_BLOG_ID', vector ('BLOG_COMMENTS' , 0, 'varchar' , 'BM_BLOG_ID' ), 'BM_POST_ID', vector ('BLOG_COMMENTS' , 0, 'varchar' , 'BM_POST_ID' ), 'RES_ID', vector ('BLOG_COMMENTS' , 0, 'any' , 'vector (UNAME_BLOG(), B_BLOG_ID, U_ID, B_POST_ID, BM_ID)' ), 'RES_ID_SERIALIZED', vector ('BLOG_COMMENTS' , 0, 'varchar' , 'serialize (vector (UNAME_BLOG(), B_BLOG_ID, U_ID, B_POST_ID, BM_ID))' ), 'RES_NAME', vector ('BLOG_COMMENTS' , 0, 'varchar' , '"Blog_COMPOSE_HTML_NAME" (BM_NAME, cast (BM_ID as varchar))' ), 'RES_FULL_PATH', vector ('BLOG_COMMENTS' , 0, 'varchar' , 'concat (DAV_CONCAT_PATH (_param.detcolpath, "Blog_FIXNAME" (WAI_NAME)), ''/'', "Blog_COMPOSE_COMMENTS_NAME" (B_TITLE, B_POST_ID), ''/'', "Blog_COMPOSE_HTML_NAME" (BM_NAME, cast (BM_ID as varchar)))' ), 'RES_TYPE', vector ('BLOG_COMMENTS' , 0, 'varchar' , '(''text/plain'')' ), 'RES_OWNER_ID', vector ('SYS_BLOG_OWNERS' , 0, 'integer' , 'U_ID' ), 'RES_OWNER_NAME', vector ('SYS_BLOG_OWNERS' , 0, 'varchar' , 'U_NAME' ), 'RES_GROUP_ID', vector ('BLOG_COMMENTS' , 0, 'integer' , 'http_nogroup_gid()' ), 'RES_GROUP_NAME', vector ('BLOG_COMMENTS' , 0, 'varchar' , '(''nogroup'')' ), 'RES_COL_FULL_PATH', vector ('SYS_BLOGS' , 0, 'varchar' , 'concat (DAV_CONCAT_PATH (_param.detcolpath, "Blog_FIXNAME" (WAI_NAME)), ''/'', "Blog_COMPOSE_COMMENTS_NAME" (B_TITLE, B_POST_ID))' ), 'RES_COL_NAME', vector ('SYS_BLOGS' , 0, 'varchar' , '"Blog_COMPOSE_COMMENTS_NAME" (B_TITLE, B_POST_ID)' ), -- 'RES_COL_ID', vector ('SYS_DAV_RES' , 0, 'varchar' , 'RES_COL' ), 'RES_CR_TIME', vector ('BLOG_COMMENTS' , 0, 'datetime' , 'BM_TS' ), 'RES_MOD_TIME', vector ('BLOG_COMMENTS' , 0, 'datetime' , 'BM_TS' ), 'RES_PERMS', vector ('BLOG_COMMENTS' , 0, 'varchar' , '(''110000000RR'')' ), 'RES_CONTENT', vector ('BLOG_COMMENTS' , 0, 'text' , 'BM_COMMENT' ), 'PROP_NAME', vector ('BLOG_COMMENTS' , 0, 'varchar' , '(''Content'')' ), 'PROP_VALUE', vector ('BLOG_COMMENTS' , 1, 'text' , 'BM_COMMENT' ), 'RES_TAGS', vector ('BLOG_COMMENTS' , 0, 'varchar' , '('''')' ), -- 'varchar', not 'text-tag' because there's no free-text on union 'RES_PUBLIC_TAGS', vector ('BLOG_COMMENTS' , 0, 'varchar' , '('''')' ), 'RES_PRIVATE_TAGS', vector ('BLOG_COMMENTS' , 0, 'varchar' , '('''')' ), 'RDF_PROP', vector ('BLOG_COMMENTS' , 1, 'varchar' , NULL ), 'RDF_VALUE', vector ('BLOG_COMMENTS' , 2, 'XML' , NULL ), 'RDF_OBJ_VALUE', vector ('BLOG_COMMENTS' , 3, 'XML' , NULL ) ); } ; create procedure "Blog_COMMENT_DAV_FC_TABLE_METAS" (inout table_metas any) { table_metas := vector ( 'BLOG_COMMENTS' , vector ( '' , '' , 'BM_COMMENT' , 'BM_COMMENT' , '[__quiet] /' ), 'SYS_BLOGS' , vector ( '' , '' , 'B_CONTENT' , 'B_CONTENT' , '[__quiet] /' ), 'SYS_BLOG_OWNERS' , vector ( '' , '' , NULL , NULL , NULL ) -- 'SYS_BLOG_OWNERS' , vector ( '\n left outer join BLOG.DBA.SYS_BLOG_OWNERS as ^{alias}^ on ((^{alias}^.BI_BLOG_ID = _top.B_BLOG_ID)^{andpredicates}^)' , -- '\n exists (select 1 from BLOG.DBA.SYS_BLOG_OWNERS as ^{alias}^ where (^{alias}^.BI_BLOG_ID = _top.B_BLOG_ID)^{andpredicates}^)' , -- NULL , NULL , NULL ) -- 'SYS_DAV_COL' , vector ( '\n inner join WS.WS.SYS_DAV_COL as ^{alias}^ on ((^{alias}^.COL_ID = _param.detcol)^{andpredicates}^)' , -- '\n exists (select 1 from WS.WS.SYS_DAV_COL as ^{alias}^ where (^{alias}^.COL_ID = _param.detcol)^{andpredicates}^)' , -- NULL , NULL , NULL ), -- 'SYS_DAV_GROUP' , vector ( '\n left outer join WS.WS.SYS_DAV_GROUP as ^{alias}^ on ((^{alias}^.G_ID = _top.RES_GROUP)^{andpredicates}^)' , -- '\n exists (select 1 from WS.WS.SYS_DAV_GROUP as ^{alias}^ where (^{alias}^.G_ID = _top.RES_GROUP)^{andpredicates}^)' , -- NULL , NULL , NULL )--, -- 'SYS_DAV_PROP' , vector ( '\n inner join WS.WS.SYS_DAV_PROP as ^{alias}^ on ((^{alias}^.PROP_PARENT_ID = _top.RES_ID) and (^{alias}^.PROP_TYPE = ''R'')^{andpredicates}^)' , -- '\n exists (select 1 from WS.WS.SYS_DAV_PROP as ^{alias}^ where (^{alias}^.PROP_PARENT_ID = _top.RES_ID) and (^{alias}^.PROP_TYPE = ''R'')^{andpredicates}^)' , -- 'PROP_VALUE' , 'PROP_VALUE' , '[__quiet __davprop xmlns:virt="virt"] .' ), -- 'public-tags' , vector ( '\n inner join WS.WS.SYS_DAV_TAG as ^{alias}^ on ((^{alias}^.DT_RES_ID = _top.RES_ID) and (^{alias}^.DT_U_ID = http_nobody_uid())^{andpredicates}^)' , -- '\n exists (select 1 from WS.WS.SYS_DAV_TAG as ^{alias}^ where (^{alias}^.DT_RES_ID = _top.RES_ID) and (^{alias}^.DT_U_ID = http_nobody_uid())^{andpredicates}^)' , -- 'DT_TAGS' , 'DT_TAGS' , NULL ), -- 'private-tags' , vector ( '\n inner join WS.WS.SYS_DAV_TAG as ^{alias}^ on ((^{alias}^.DT_RES_ID = _top.RES_ID) and (^{alias}^.DT_U_ID = ^{uid}^)^{andpredicates}^)' , -- '\n exists (select 1 from WS.WS.SYS_DAV_TAG as ^{alias}^ where (^{alias}^.DT_RES_ID = _top.RES_ID) and (^{alias}^.DT_U_ID = ^{uid}^)^{andpredicates}^)' , -- 'DT_TAGS' , 'DT_TAGS' , NULL ), -- 'all-tags' , vector ( '\n inner join (select * from WS.WS.SYS_DAV_TAG ^{alias}^_pub where ^{alias}^_pub.DT_U_ID = http_nobody_uid() union select * from WS.WS.SYS_DAV_TAG ^{alias}^_prv where ^{alias}^_prv.DT_U_ID = ^{uid}^) as ^{alias}^ on ((^{alias}^.DT_RES_ID = _top.RES_ID)^{andpredicates}^)' , -- '\n exists (select 1 from (select * from WS.WS.SYS_DAV_TAG ^{alias}^_pub where ^{alias}^_pub.DT_U_ID = http_nobody_uid() union select * from WS.WS.SYS_DAV_TAG ^{alias}^_prv where ^{alias}^_prv.DT_U_ID = ^{uid}^) as ^{alias}^ where (^{alias}^.DT_RES_ID = _top.RES_ID)^{andpredicates}^)' , -- 'DT_TAGS' , 'DT_TAGS' , NULL ) ); } ; -- This prints the fragment that starts after 'FROM WS.WS.SYS_BLOGS' and contains the rest of FROM and whole 'WHERE' create function "Blog_COMMENT_DAV_FC_PRINT_WHERE" (inout filter any, in param_uid integer) returns varchar { declare pred_metas, cmp_metas, table_metas any; declare used_tables any; -- dbg_obj_princ ('Blog_POST_DAV_FC_PRINT_WHERE (', filter, param_uid, ')'); "Blog_COMMENT_DAV_FC_PRED_METAS" (pred_metas); DAV_FC_CMP_METAS (cmp_metas); "Blog_COMMENT_DAV_FC_TABLE_METAS" (table_metas); used_tables := vector ( 'BLOG_COMMENTS', vector ('BLOG_COMMENTS', '_top', null, vector (), vector (), vector ()), 'SYS_BLOGS', vector ('SYS_BLOGS', '_blogs', null, vector (), vector (), vector ()), 'SYS_BLOG_OWNERS', vector ('SYS_BLOG_OWNERS', '_owners', null, vector (), vector (), vector ()) ); return DAV_FC_PRINT_WHERE_INT (filter, pred_metas, cmp_metas, table_metas, used_tables, param_uid); } ; --| When DAV_DIR_FILTER_INT calls DET function, authentication is performed before the call and compilation is initialized. create function "Blog_DAV_DIR_FILTER" (in detcol_id any, in path_parts any, in detcol_path any, inout compilation any, in recursive integer, in auth_uid integer) returns any { declare st, access, qry_text, execstate, execmessage varchar; declare res any; declare cond_list, execmeta, execrows any; declare blog_id, blog_colname, post_id, condtext, cond_key varchar; declare ownergid, owner_uid integer; -- dbg_obj_princ ('Blog_DAV_DIR_FILTER (', detcol_id, path_parts, detcol_path, compilation, recursive, auth_uid, ')'); "Blog_ACCESS_PARAMS" (detcol_id, access, ownergid, owner_uid); vectorbld_init (res); blog_id := null; post_id := null; if (((length (path_parts) <= 1) and (recursive <> 1)) or (length (path_parts) > 2)) { -- dbg_obj_princ ('\r\nGoto skip_post_level\r\n'); goto skip_post_level; } if (length (path_parts) >= 2) { blog_id := coalesce ((select BI_BLOG_ID from BLOG.DBA.SYS_BLOG_OWNERS where U_ID = owner_uid and "Blog_FIXNAME" (WAI_NAME) = path_parts[0])); if (blog_id is null) { -- dbg_obj_princ ('\r\nGoto finalize\r\n'); goto finalize; } } cond_key := sprintf ('Blog_POST&%V', coalesce (blog_id, '')); condtext := get_keyword (cond_key, compilation); -- dbg_obj_princ ('Cached condtext is ', condtext); if (condtext is null) { cond_list := get_keyword ('', compilation); -- dbg_obj_princ ('cond_list is ', cond_list); if (blog_id is not null) cond_list := vector_concat (cond_list, vector ( vector ('B_BLOG_ID', '=', blog_id))); condtext := "Blog_POST_DAV_FC_PRINT_WHERE" (cond_list, auth_uid); -- dbg_obj_princ ('\r\ncondtext2 ', condtext, '\r\n'); compilation := vector_concat (compilation, vector (cond_key, condtext)); -- dbg_obj_princ ('\r\ncompilation ', compilation, '\r\n'); } execstate := '00000'; qry_text := 'select concat (DAV_CONCAT_PATH (_param.detcolpath, "Blog_FIXNAME" (WAI_NAME)), ''/'', "Blog_COMPOSE_HTML_NAME" (B_TITLE, B_POST_ID)), ''R'', length (_top.B_CONTENT), _top.B_MODIFIED, vector (UNAME_BLOG(), ?, B_BLOG_ID, U_ID, B_POST_ID, null), ''110000000RR'', http_nogroup_gid(), U_ID, _top.B_TS, ''text/plain'', "Blog_COMPOSE_HTML_NAME" (B_TITLE, B_POST_ID) from (select top 1 ? as detcolpath from WS.WS.SYS_DAV_COL) as _param, BLOG.DBA.SYS_BLOGS as _top join BLOG.DBA.SYS_BLOG_OWNERS as _owners on (BI_BLOG_ID = B_BLOG_ID and U_ID = ?) ' || condtext; -- dbg_obj_princ ('Collection of blog posts, blog_id=', blog_id, ', qry_text = ', qry_text); exec (qry_text, execstate, execmessage, vector (detcol_id, detcol_path, owner_uid), 100000000, execmeta, execrows ); -- dbg_obj_princ ('Collection of blog posts: execstate = ', execstate, ', execmessage = ', execmessage); if ('00000' <> execstate) signal (execstate, execmessage || ' in ' || qry_text); vectorbld_concat_acc (res, execrows); skip_post_level: if (((length (path_parts) <= 2) and (recursive <> 1)) or (length (path_parts) > 3)) goto skip_post_level; if (length (path_parts) >= 3) { declare post_title_pattern varchar; "Blog_PARSE_COMMENTS_NAME" (path_parts[1], post_title_pattern, post_id); if (post_id is null) goto finalize; if (not exists (select top 1 1 from BLOG.DBA.SYS_BLOGS where B_BLOG_ID = blog_id and B_POST_ID = post_id and B_TITLE like post_title_pattern)) goto finalize; } cond_key := sprintf ('Blog_COMMENT&%V&%V', coalesce (blog_id, ''), coalesce (post_id, '')); condtext := get_keyword (cond_key, compilation); if (condtext is null) { cond_list := get_keyword ('', compilation); if (blog_id is not null) cond_list := vector_concat (cond_list, vector ( vector ('BM_BLOG_ID', '=', blog_id))); if (post_id is not null) cond_list := vector_concat (cond_list, vector ( vector ('BM_POST_ID', '=', post_id))); condtext := "Blog_COMMENT_DAV_FC_PRINT_WHERE" (cond_list, auth_uid); compilation := vector_concat (compilation, vector (cond_key, condtext)); } execstate := '00000'; qry_text := ' select concat (DAV_CONCAT_PATH (_param.detcolpath, "Blog_FIXNAME" (_owners.WAI_NAME)), ''/'', "Blog_COMPOSE_COMMENTS_NAME" (_blogs.B_TITLE, _blogs.B_POST_ID), ''/'', "Blog_COMPOSE_HTML_NAME" (_top.BM_NAME, cast (_top.BM_ID as varchar))), ''R'', length (_top.BM_COMMENT), _top.BM_TS, vector (UNAME_BLOG(), ?, _top.BM_BLOG_ID, _owners.U_ID, _top.BM_POST_ID, _top.BM_ID), ''110000000RR'', http_nogroup_gid(), _owners.U_ID, _top.BM_TS, ''text/plain'', "Blog_COMPOSE_HTML_NAME" (_top.BM_NAME, cast (_top.BM_ID as varchar)) from (select top 1 ? as detcolpath from WS.WS.SYS_DAV_COL) as _param, BLOG.DBA.BLOG_COMMENTS as _top join BLOG.DBA.SYS_BLOGS as _blogs on (B_BLOG_ID = BM_BLOG_ID and B_POST_ID = BM_POST_ID) join BLOG.DBA.SYS_BLOG_OWNERS as _owners on (BI_BLOG_ID = B_BLOG_ID and U_ID = ?) ' || condtext; -- dbg_obj_princ ('Collection of blog comments, blog_id=', blog_id, ', post_id=', post_id, ', qry_text = ', qry_text); exec (qry_text, execstate, execmessage, vector (detcol_id, detcol_path, owner_uid), 100000000, execmeta, execrows ); -- dbg_obj_princ ('Collection of blog comments: execstate = ', execstate, ', execmessage = ', execmessage); if ('00000' <> execstate) signal (execstate, execmessage || ' in ' || qry_text); vectorbld_concat_acc (res, execrows); finalize: vectorbld_final (res); return res; } ; --| When DAV_PROP_GET_INT or DAV_DIR_LIST_INT calls DET function, authentication is performed before the call. create function "Blog_DAV_SEARCH_ID" (in detcol_id any, in path_parts any, in what char(1)) returns any { -- dbg_obj_princ ('Blog_DAV_SEARCH_ID (', detcol_id, path_parts, what, ')'); if (path_parts[0] = '' or path_parts[0] is null) return -1; declare blog_id, colpath, merged_fnameext, orig_fnameext varchar; declare orig_id, ctr, len integer; declare hitlist any; declare access varchar; declare ownergid, owner_uid integer; "Blog_ACCESS_PARAMS" (detcol_id, access, ownergid, owner_uid); len := length (path_parts); if (0 = len) { if ('C' <> what) { -- dbg_obj_princ ('resource with empty path - no items'); return -1; } return vector (UNAME_BLOG(), detcol_id, null, owner_uid, null, null); } if ('' = path_parts[length(path_parts) - 1]) { if ('C' <> what) { -- dbg_obj_princ ('resource without a name - no items'); return -1; } } else { if ('R' <> what) { -- dbg_obj_princ ('non-resource with a name - no items'); return -1; } } blog_id := coalesce ((select BI_BLOG_ID from BLOG.DBA.SYS_BLOG_OWNERS where U_ID = owner_uid and "Blog_FIXNAME" (WAI_NAME) = path_parts[0])); if (blog_id is null) return -1; if ('C' = what) { if (2 = len) return vector (UNAME_BLOG(), detcol_id, blog_id, owner_uid, null, null); if (3 = len) { declare post_title_pattern, post_id varchar; "Blog_PARSE_COMMENTS_NAME" (path_parts[1], post_title_pattern, post_id); if (post_title_pattern is null or post_id is null) return -1; if (exists (select top 1 1 from BLOG.DBA.SYS_BLOGS join BLOG.DBA.SYS_BLOG_OWNERS on (B_BLOG_ID = BI_BLOG_ID) where U_ID = owner_uid and cast (B_TITLE as varchar) like post_title_pattern and B_POST_ID = post_id)) return vector (UNAME_BLOG(), detcol_id, blog_id, owner_uid, post_id, null); } return -1; } if (len = 2) { declare post_title_pattern, post_id varchar; if (position (path_parts[1], "Blog_CHANNEL_DESC_NAMES" ())) return vector (UNAME_BLOG(), detcol_id, blog_id, owner_uid, null, path_parts[1]); "Blog_PARSE_HTML_NAME" (path_parts[1], post_title_pattern, post_id); if (post_title_pattern is null or post_id is null) return -1; if (exists (select top 1 1 from BLOG.DBA.SYS_BLOGS join BLOG.DBA.SYS_BLOG_OWNERS on (B_BLOG_ID = BI_BLOG_ID) where U_ID = owner_uid and cast (B_TITLE as varchar) like post_title_pattern and B_POST_ID = post_id)) return vector (UNAME_BLOG(), detcol_id, blog_id, owner_uid, post_id, null); } if (len = 3) { declare post_title_pattern, post_id, comment_title_pattern, comment_id varchar; "Blog_PARSE_COMMENTS_NAME" (path_parts[1], post_title_pattern, post_id); if (post_title_pattern is null or post_id is null) return -1; "Blog_PARSE_HTML_NAME" (path_parts[2], comment_title_pattern, comment_id); if (comment_title_pattern is null or comment_id is null) return -1; if (exists (select top 1 1 from BLOG.DBA.SYS_BLOG_OWNERS join BLOG.DBA.SYS_BLOGS on (B_BLOG_ID = BI_BLOG_ID) join BLOG.DBA.BLOG_COMMENTS on ((BM_BLOG_ID = B_BLOG_ID) and (BM_POST_ID = B_POST_ID)) where U_ID = owner_uid and cast (B_TITLE as varchar) like post_title_pattern and B_POST_ID = post_id and BM_NAME like comment_title_pattern and BM_ID = comment_id ) ) return vector (UNAME_BLOG(), detcol_id, blog_id, owner_uid, post_id, cast (comment_id as integer)); } return -1; } ; --| When DAV_SEARCH_PATH_INT calls DET function, authentication is performed before the call. create function "Blog_DAV_SEARCH_PATH" (in id any, in what char(1)) returns any { -- dbg_obj_princ ('Blog_DAV_SEARCH_PATH (', id, what, ')'); return NULL; } ; --| When DAV_COPY_INT calls DET function, authentication and check for locks are performed before the call, but no check for existing/overwrite. create function "Blog_DAV_RES_UPLOAD_COPY" (in detcol_id any, in path_parts any, in source_id any, in what char(1), in overwrite_flags integer, in permissions varchar, in uid integer, in gid integer, in auth_uid integer) returns any { -- dbg_obj_princ ('Blog_DAV_RES_UPLOAD_COPY (', detcol_id, path_parts, source_id, what, overwrite_flags, permissions, uid, gid, auth_uid, ')'); return -20; } ; --| When DAV_COPY_INT calls DET function, authentication and check for locks are performed before the call, but no check for existing/overwrite. create function "Blog_DAV_RES_UPLOAD_MOVE" (in detcol_id any, in path_parts any, in source_id any, in what char(1), in overwrite_flags integer, in auth_uid integer) returns any { -- dbg_obj_princ ('Blog_DAV_RES_UPLOAD_MOVE (', detcol_id, path_parts, source_id, what, overwrite_flags, auth_uid, ')'); return -20; } ; --| When DAV_RES_CONTENT or DAV_RES_COPY_INT or DAV_RES_MOVE_INT calls DET function, authentication is made. --| If content_mode is 1 then content is a valid output stream before the call. create function "Blog_DAV_RES_CONTENT" (in id any, inout content any, out type varchar, in content_mode integer) returns integer { -- dbg_obj_princ ('Blog_DAV_RES_CONTENT (', id, ', [content], [type], ', content_mode, ')'); declare cont any; declare len int; if (id[4] is null and id[5] is not null) { declare hdr any; type := 'text/xml'; for (select BI_HOME from BLOG.DBA.SYS_BLOG_INFO where BI_BLOG_ID = id[2]) do { declare doc_base varchar; declare uri, host, olduri varchar; host := http_request_header (http_request_header (), 'Host', null); if (isstring (host) and strchr (host, ':') is null) { declare hp varchar; declare hpa any; hp := sys_connected_server_address (); hpa := split_and_decode (hp, 0, '\0\0:'); host := host || ':' || hpa[1]; } if (host is null) host := sys_connected_server_address (); uri := 'http://' || host || BI_HOME || 'gems/'; if (position (id[5], "Blog_CHANNEL_DESC_NAMES" ())) uri := uri || id[5]; olduri := uri; again: -- dbg_obj_princ(uri); commit work; content := http_get(uri, hdr); if (hdr[0] not like 'HTTP/1._ 200 %') { if (hdr[0] like 'HTTP/1._ 30_ %') { uri := http_request_header (hdr, 'Location'); if (isstring (uri)) goto again; } signal ('22023', trim(hdr[0], '\r\n'), 'BLOG0'); return 0; } } return 0; } type := 'text/html'; if (id[5] is null) { for (select B_CONTENT from BLOG.DBA.SYS_BLOGS SB where SB.B_BLOG_ID = id[2] and SB.B_POST_ID = id[4]) do { if ((content_mode = 0) or (content_mode = 2)) content := B_CONTENT; else if (content_mode = 1) http (B_CONTENT, content); else if (content_mode = 3) http (B_CONTENT); } } else { for (select BM_COMMENT from BLOG.DBA.BLOG_COMMENTS BC where BC.BM_BLOG_ID = id[2] and BC.BM_POST_ID = id[4] and BC.BM_ID = id[5] ) do { if ((content_mode = 0) or (content_mode = 2)) content := BM_COMMENT; else if (content_mode = 1) http (BM_COMMENT, content); else if (content_mode = 3) http (BM_COMMENT); } } return 0; } ; --| This adds an extra access path to the existing resource or collection. create function "Blog_DAV_SYMLINK" (in detcol_id any, in path_parts any, in source_id any, in what char(1), in overwrite integer, in uid integer, in gid integer, in auth_uid integer) returns any { -- dbg_obj_princ ('Blog_DAV_SYMLINK (', detcol_id, path_parts, source_id, overwrite, uid, gid, auth_uid, ')'); return -20; } ; --| This gets a list of resources and/or collections as it is returned by DAV_DIR_LIST and and writes the list of quads (old_id, 'what', old_full_path, dereferenced_id, dereferenced_full_path). create function "Blog_DAV_DEREFERENCE_LIST" (in detcol_id any, inout report_array any) returns any { -- dbg_obj_princ ('Blog_DAV_DEREFERENCE_LIST (', detcol_id, report_array, ')'); return -20; } ; --| This gets one of reference quads returned by ..._DAV_REREFERENCE_LIST() and returns a record (new_full_path, new_dereferenced_full_path, name_may_vary). create function "Blog_DAV_RESOLVE_PATH" (in detcol_id any, inout reference_item any, inout old_base varchar, inout new_base varchar) returns any { -- dbg_obj_princ ('Blog_DAV_RESOLVE_PATH (', detcol_id, reference_item, old_base, new_base, ')'); return -20; } ; --| There's no API function to lock for a while (do we need such?) The "LOCK" DAV method checks that all parameters are valid but does not check for existing locks. create function "Blog_DAV_LOCK" (in path any, in id any, in type char(1), inout locktype varchar, inout scope varchar, in token varchar, inout owner_name varchar, inout owned_tokens varchar, in depth varchar, in timeout_sec integer, in auth_uid integer) returns any { -- dbg_obj_princ ('Blog_DAV_LOCK (', id, type, locktype, scope, token, owner_name, owned_tokens, depth, timeout_sec, owner_name, auth_uid, ')'); return -20; } ; --| There's no API function to unlock for a while (do we need such?) The "UNLOCK" DAV method checks that all parameters are valid but does not check for existing locks. create function "Blog_DAV_UNLOCK" (in id any, in type char(1), in token varchar, in auth_uid integer) { -- dbg_obj_princ ('Blog_DAV_UNLOCK (', id, type, token, auth_uid, ')'); return -27; } ; --| The caller does not check if id is valid. --| This returns -1 if id is not valid, 0 if all existing locks are listed in owned_tokens whitespace-delimited list, 1 for soft 2 for hard lock. create function "Blog_DAV_IS_LOCKED" (inout id any, inout type char(1), in owned_tokens varchar) returns integer { -- dbg_obj_princ ('Blog_DAV_IS_LOCKED (', id, type, owned_tokens, ')'); return 0; } ; --| The caller does not check if id is valid. --| This returns -1 if id is not valid, list of tuples (LOCK_TYPE, LOCK_SCOPE, LOCK_TOKEN, LOCK_TIMEOUT, LOCK_OWNER, LOCK_OWNER_INFO) otherwise. create function "Blog_DAV_LIST_LOCKS" (in id any, in type char(1), in recursive integer) returns any { -- dbg_obj_princ ('Blog_DAV_LIST_LOCKS" (', id, type, recursive); return vector (); } ; create procedure "Blog_CF_PROPNAME_TO_COLNAME" (in prop varchar) { return get_keyword (prop, vector ( 'http://purl.org/rss/1.0/title', 'BLOG_INFO.BI_TITLE', 'http://purl.org/rss/1.0/copyright', 'BLOG_INFO.BI_COPYRIGHT', 'http://purl.org/rss/1.0/description', 'BLOG_INFO.BI_ABOUT', 'http://purl.org/rss/1.0/link', '"Blog_CF_COMPOSE_BLOG_LINK" (BLOG_INFO.BI_BLOG_ID)', 'http://purl.org/rss/1.0/lastBuildDate', 'cast (BLOG_INFO.BI_LAST_UPDATE as varchar)' ) ); } ; create procedure "Blog_CF_FEED_FROM_AND_WHERE" (in detcol_id integer, in cfc_id integer, inout rfc_list_cond any, inout filter_data any, in distexpn varchar, in auth_uid integer) { declare where_clause, from_clause varchar; declare access varchar; declare ownergid, owner_uid, proppos, filter_len, filter_idx integer; -- dbg_obj_princ ('Blog_CF_FEED_FROM_AND_WHERE (', detcol_id, cfc_id, rfc_list_cond, filter_data, distexpn, auth_uid, ')'); "Blog_ACCESS_PARAMS" (detcol_id, access, ownergid, owner_uid); -- dbg_obj_princ ('"Blog_ACCESS_PARAMS" (', detcol_id, ',...) reports ', access, ownergid, owner_uid ); from_clause := ' from BLOG.DBA.SYS_BLOG_INFO as BLOG_INFO '; where_clause := 'BLOG_INFO.BI_OWNER = ' || cast (owner_uid as varchar); filter_len := length (filter_data); for (filter_idx := 0; filter_idx < (filter_len - 3); filter_idx := filter_idx + 4) { declare mode integer; declare cmp_col, cmp_val varchar; cmp_col := "Blog_CF_PROPNAME_TO_COLNAME" (filter_data [filter_idx]); cmp_val := filter_data [filter_idx + 2]; -- dbg_obj_princ ('cmp_col=', cmp_col, ', cmp_val=', cmp_val); if (cmp_col is null) { if ('' <> cmp_val) { where_clause := '1 = 2'; goto where_clause_complete; } goto where_oper_complete; } if (where_clause <> '') where_clause := where_clause || ' and '; mode := filter_data [filter_idx + 3]; if (mode = 0) where_clause := where_clause || sprintf ('(%s = %s)', cmp_col, WS.WS.STR_SQL_APOS (cmp_val)); else if (mode = 4) where_clause := where_clause || sprintf ('(%s is null)', cmp_col); else -- truncation where_clause := where_clause || sprintf ('(%s between %s and %s)', cmp_col, WS.WS.STR_SQL_APOS (cmp_val), WS.WS.STR_SQL_APOS (cmp_val || '\377\377\377\377')); where_oper_complete: ; } where_clause_complete: if (where_clause <> '') return from_clause || ' where ' || where_clause; return from_clause; } ; create procedure "Blog_CF_LIST_PROP_DISTVALS" (in detcol_id integer, in cfc_id integer, in rfc_spath varchar, inout rfc_list_cond any, in schema_uri varchar, inout filter_data any, inout distval_dict any, in auth_uid integer) { declare distprop, distexpn varchar; declare from_and_where_text, qry_text varchar; declare execstate, execmessage varchar; declare execmeta, execrows any; -- dbg_obj_princ ('Blog_CF_LIST_PROP_DISTVALS (', detcol_id, cfc_id, rfc_spath, rfc_list_cond, schema_uri, filter_data, distval_dict, auth_uid, ')'); if (schema_uri = 'http://purl.org/rss/1.0/') { -- channel description distprop := filter_data[length (filter_data) - 2]; distexpn := "Blog_CF_PROPNAME_TO_COLNAME" (distprop); if (distexpn is null) { dict_put (distval_dict, '! empty property value !', 1); return; } from_and_where_text := Blog_CF_FEED_FROM_AND_WHERE (detcol_id, cfc_id, rfc_list_cond, filter_data, distexpn, auth_uid); qry_text := 'select distinct ' || distexpn || from_and_where_text; execstate := '00000'; execmessage := 'OK'; -- dbg_obj_princ ('Will exec: ', qry_text); exec (qry_text, execstate, execmessage, vector (), 100000000, execmeta, execrows ); -- dbg_obj_princ ('exec returns: ', execstate, execmessage, execrows); if (isarray (execrows)) foreach (any execrow in execrows) do { dict_put (distval_dict, "CatFilter_ENCODE_CATVALUE" (execrow[0]), 1); } return; } } ; create function "Blog_CF_GET_RDF_HITS" (in detcol_id integer, in cfc_id integer, in rfc_spath varchar, inout rfc_list_cond any, in schema_uri varchar, inout filter_data any, in detcol_path varchar, in make_diritems integer, in auth_uid integer) returns any { declare from_and_where_text, qry_text varchar; declare execstate, execmessage varchar; declare acc_len, acc_ctr integer; declare execmeta, acc any; declare access varchar; declare ownergid, owner_uid integer; -- dbg_obj_princ ('\n\n\nBlog_CF_GET_RDF_HITS (', detcol_id, cfc_id, rfc_spath, rfc_list_cond, schema_uri, filter_data, make_diritems, auth_uid, ')'); acc := vector (); acc_len := 0; if (schema_uri = 'http://purl.org/rss/1.0/') { -- channel description "Blog_ACCESS_PARAMS" (detcol_id, access, ownergid, owner_uid); from_and_where_text := Blog_CF_FEED_FROM_AND_WHERE (detcol_id, cfc_id, rfc_list_cond, filter_data, 'CHANNEL_DETAILS.ECD_CHANNEL_URI', auth_uid); qry_text := 'select CHANNEL_DETAILS.ECD_CHANNEL_URI' || from_and_where_text; execstate := '00000'; execmessage := 'OK'; -- dbg_obj_princ ('Will exec: ', qry_text); exec (qry_text, execstate, execmessage, vector (), 100000000, execmeta, acc ); -- dbg_obj_princ ('exec returns: ', execstate, execmessage, acc); acc_len := length (acc); acc_ctr := 0; while (acc_ctr < acc_len) { declare r_id integer; declare fullname varchar; declare full_id, diritm any; r_id := acc[acc_ctr][0]; full_id := vector (UNAME_BLOG(), detcol_id, r_id, owner_uid, null, null); if (make_diritems = 1) { diritm := "Blog_DAV_DIR_SINGLE" (full_id, 'R', '(fake path)', auth_uid); if (DAV_HIDE_ERROR (diritm) is not null) { diritm [0] := DAV_CONCAT_PATH (detcol_path, diritm[10]); -- now we can remove the fake path. acc [acc_ctr] := diritm; acc_ctr := acc_ctr + 1; } else --collision in the air: someone just removed the resource from the disk :( { if (acc_len > 1) { acc [acc_ctr] := acc [acc_len - 1]; acc_len := acc_len - 1; -- no need in acc_ctr := acc_ctr + 1; } } } else { acc [acc_ctr] := full_id; acc_ctr := acc_ctr + 1; } } } if (acc_len < length (acc)) -- There were collisions in the air { acc := subseq (acc, 0, acc_len); } -- dbg_obj_princ ('Blog_CF_GET_RDF_HITS_RES_IDS (', detcol_id, cfc_id, rfc_spath, rfc_list_cond, schema_uri, filter_data, make_diritems, auth_uid, ') returns ', acc); return acc; } ; create function "Blog_RF_ID2SUFFIX" (in id any, in what char(1)) returns varchar { -- dbg_obj_princ ('Blog_RF_ID2SUFFIX (', id, what, ')'); if ((id[4] is null) and (what='R')) { return sprintf ('BlogFeed-%d-%d', id[1], coalesce ((select WAI_ID from BLOG.DBA.SYS_BLOG_OWNERS where BI_BLOG_ID = id[2]))); } signal ('OBLOM', 'Blog_RF_ID2SUFFIX supports only feeds for a while'); } ; create procedure "BlogFeed_RF_SUFFIX2ID" (in suffix varchar, in what char(1)) { declare pairs any; declare detcol_id, wainst_id, owner_uid integer; declare blog_id varchar; -- dbg_obj_princ ('BlogFeed_RF_SUFFIX2ID (', suffix, what, ')'); pairs := regexp_parse ('^([1-9][0-9]*)-([1-9][0-9]*)\044', suffix, 0); if (pairs is null) { ; -- dbg_obj_princ ('BlogFeed_RF_SUFFIX2ID (', suffix, what, ') failed to parse the argument'); } detcol_id := cast (subseq (suffix, pairs[2], pairs[3]) as integer); wainst_id := cast (subseq (suffix, pairs[4], pairs[5]) as integer); whenever not found goto oblom; select U_ID, BI_BLOG_ID into owner_uid, blog_id from BLOG.DBA.SYS_BLOG_OWNERS where WAI_ID = wainst_id; return vector (UNAME_BLOG(), detcol_id, blog_id, owner_uid, null, null); oblom: return NULL; } ; create function UNAME_BLOG() returns any { return UNAME'Blog'; }; </verbatim>

sioc:id

450725895b26cf4e19a63efa7de672bf

sioc:link

n2:VOSWeblogDETAPI

sioc:has_container

n5:VOS

n12:has_services

n11:item

atom:title

VOSWeblogDETAPI

atom:source

n5:VOS

atom:author

n8:this

atom:published

2017-06-13T05:48:19Z

atom:updated

2017-06-29T07:35:31Z

sioc:topic

n5:VOS