as
[citadel.git] / citadel / modules / wiki / serv_wiki.c
index 2ea36f0a951dd4487e63984f79f7783423997612..73c9151aa8b9d13f822889cd9ef52b492d939d3e 100644 (file)
@@ -108,8 +108,9 @@ int wiki_upload_beforesave(struct CtdlMessage *msg) {
        /* If this isn't a MIME message, don't bother. */
        if (msg->cm_format_type != 4) return(0);
 
-       /* If there's no EUID we can't do this. */
-       if (msg->cm_fields['E'] == NULL) return(0);
+       /* If there's no EUID we can't do this.  Reject the post. */
+       if (msg->cm_fields['E'] == NULL) return(1);
+
        snprintf(history_page, sizeof history_page, "%s_HISTORY_", msg->cm_fields['E']);
 
        /* Make sure we're saving a real wiki page rather than a wiki history page.
@@ -125,8 +126,14 @@ int wiki_upload_beforesave(struct CtdlMessage *msg) {
        /* If there's no message text, obviously this is all b0rken and shouldn't happen at all */
        if (msg->cm_fields['M'] == NULL) return(0);
 
+       /* Set the message subject identical to the page name */
+       if (msg->cm_fields['U'] != NULL) {
+               free(msg->cm_fields['U']);
+       }
+       msg->cm_fields['U'] = strdup(msg->cm_fields['E']);
+
        /* See if we can retrieve the previous version. */
-       old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CCC->room);
+       old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CCC->room);
        if (old_msgnum > 0L) {
                old_msg = CtdlFetchMessage(old_msgnum, 1);
        }
@@ -177,7 +184,9 @@ int wiki_upload_beforesave(struct CtdlMessage *msg) {
                        diffbuf_len += nbytes;
                } while (nbytes == 1024);
                diffbuf[diffbuf_len] = 0;
-               pclose(fp);
+               if (pclose(fp) != 0) {
+                       CtdlLogPrintf(CTDL_ERR, "pclose() returned an error - diff failed\n");
+               }
        }
        CtdlLogPrintf(CTDL_DEBUG, "diff length is %d bytes\n", diffbuf_len);
 
@@ -195,7 +204,7 @@ int wiki_upload_beforesave(struct CtdlMessage *msg) {
 
        /* Now look for the existing edit history */
 
-       history_msgnum = locate_message_by_euid(history_page, &CCC->room);
+       history_msgnum = CtdlLocateMessageByEuid(history_page, &CCC->room);
        history_msg = NULL;
        if (history_msgnum > 0L) {
                history_msg = CtdlFetchMessage(history_msgnum, 1);
@@ -212,6 +221,7 @@ int wiki_upload_beforesave(struct CtdlMessage *msg) {
                history_msg->cm_fields['R'] = strdup(CCC->room.QRname);
                history_msg->cm_fields['E'] = strdup(history_page);
                history_msg->cm_fields['U'] = strdup(history_page);
+               history_msg->cm_fields['1'] = strdup("1");              /* suppress full text indexing */
                snprintf(boundary, sizeof boundary, "Citadel--Multipart--%04x--%08lx", getpid(), time(NULL));
                history_msg->cm_fields['M'] = malloc(1024);
                snprintf(history_msg->cm_fields['M'], 1024,
@@ -227,7 +237,14 @@ int wiki_upload_beforesave(struct CtdlMessage *msg) {
 
        /* Update the history message (regardless of whether it's new or existing) */
 
-       /* First, figure out the boundary string.  We do this even when we generated the
+       /* Remove the Message-ID from the old version of the history message.  This will cause a brand
+        * new one to be generated, avoiding an uninitentional hit of the loop zapper when we replicate.
+        */
+       if (history_msg->cm_fields['I'] != NULL) {
+               free(history_msg->cm_fields['I']);
+       }
+
+       /* Figure out the boundary string.  We do this even when we generated the
         * boundary string in the above code, just to be safe and consistent.
         */
        strcpy(boundary, "");
@@ -349,7 +366,7 @@ void wiki_history(char *pagename) {
        }
 
        snprintf(history_page_name, sizeof history_page_name, "%s_HISTORY_", pagename);
-       msgnum = locate_message_by_euid(history_page_name, &CC->room);
+       msgnum = CtdlLocateMessageByEuid(history_page_name, &CC->room);
        if (msgnum > 0L) {
                msg = CtdlFetchMessage(msgnum, 1);
        }
@@ -408,7 +425,7 @@ void wiki_rev_callback(char *name, char *filename, char *partnum, char *disp,
        CtdlLogPrintf(CTDL_DEBUG, "callback found rev: %s\n", this_rev);
 
        /* Perform the patch */
-       fp = popen("patch -f -s -p0 >/dev/null 2>/dev/null", "w");
+       fp = popen("patch -f -s -p0 --global-reject-file=/dev/null >/dev/null 2>/dev/null", "w");
        if (fp) {
                /* Replace the filenames in the patch with the tempfilename we're actually tweaking */
                fprintf(fp, "--- %s\n", hecbd->tempfilename);
@@ -427,8 +444,10 @@ void wiki_rev_callback(char *name, char *filename, char *partnum, char *disp,
                                        fprintf(fp, "%s\n", buf);
                                }
                        }
-               } while ((*ptr != 0) && ((int)ptr < ((int)content + length)));
-               pclose(fp);
+               } while ((*ptr != 0) && (ptr < ((char*)content + length)));
+               if (pclose(fp) != 0) {
+                       CtdlLogPrintf(CTDL_ERR, "pclose() returned an error - patch failed\n");
+               }
        }
 
        if (!strcasecmp(this_rev, hecbd->stop_when)) {
@@ -450,9 +469,11 @@ void wiki_rev(char *pagename, char *rev, char *operation)
        char history_page_name[270];
        long msgnum;
        char temp[PATH_MAX];
+       char timestamp[64];
        struct CtdlMessage *msg;
        FILE *fp;
        struct HistoryEraserCallBackData hecbd;
+       long len = 0L;
        int rv;
 
        r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
@@ -469,7 +490,7 @@ void wiki_rev(char *pagename, char *rev, char *operation)
        /* Begin by fetching the current version of the page.  We're going to patch
         * backwards through the diffs until we get the one we want.
         */
-       msgnum = locate_message_by_euid(pagename, &CC->room);
+       msgnum = CtdlLocateMessageByEuid(pagename, &CC->room);
        if (msgnum > 0L) {
                msg = CtdlFetchMessage(msgnum, 1);
        }
@@ -503,7 +524,7 @@ void wiki_rev(char *pagename, char *rev, char *operation)
        /* Get the revision history */
 
        snprintf(history_page_name, sizeof history_page_name, "%s_HISTORY_", pagename);
-       msgnum = locate_message_by_euid(history_page_name, &CC->room);
+       msgnum = CtdlLocateMessageByEuid(history_page_name, &CC->room);
        if (msgnum > 0L) {
                msg = CtdlFetchMessage(msgnum, 1);
        }
@@ -541,32 +562,52 @@ void wiki_rev(char *pagename, char *rev, char *operation)
 
        /* We have the desired revision on disk.  Now do something with it. */
 
-       else if (!strcasecmp(operation, "fetch")) {
+       else if ( (!strcasecmp(operation, "fetch")) || (!strcasecmp(operation, "revert")) ) {
                msg = malloc(sizeof(struct CtdlMessage));
                memset(msg, 0, sizeof(struct CtdlMessage));
                msg->cm_magic = CTDLMESSAGE_MAGIC;
                msg->cm_anon_type = MES_NORMAL;
                msg->cm_format_type = FMT_RFC822;
-               msg->cm_fields['A'] = strdup("Citadel");
                fp = fopen(temp, "r");
                if (fp) {
-                       long len;
                        fseek(fp, 0L, SEEK_END);
                        len = ftell(fp);
                        fseek(fp, 0L, SEEK_SET);
                        msg->cm_fields['M'] = malloc(len + 1);
                        rv = fread(msg->cm_fields['M'], len, 1, fp);
+                       CtdlLogPrintf(CTDL_DEBUG, "\033[32mdid %d blocks of %d bytes\033[0m\n", rv, len);
                        msg->cm_fields['M'][len] = 0;
                        fclose(fp);
                }
-               CtdlCreateRoom(wwm, 5, "", 0, 1, 1, VIEW_BBS);  /* If it already exists, not an error */
-               msgnum = CtdlSubmitMsg(msg, NULL, wwm, 0);      /* Store the revision here */
+               if (len <= 0) {
+                       msgnum = (-1L);
+               }
+               else if (!strcasecmp(operation, "fetch")) {
+                       msg->cm_fields['A'] = strdup("Citadel");
+                       CtdlCreateRoom(wwm, 5, "", 0, 1, 1, VIEW_BBS);  /* Not an error if already exists */
+                       msgnum = CtdlSubmitMsg(msg, NULL, wwm, 0);      /* Store the revision here */
+               }
+               else if (!strcasecmp(operation, "revert")) {
+                       snprintf(timestamp, sizeof timestamp, "%ld", time(NULL));
+                       msg->cm_fields['T'] = strdup(timestamp);
+                       msg->cm_fields['A'] = strdup(CC->user.fullname);
+                       msg->cm_fields['F'] = strdup(CC->cs_inet_email);
+                       msg->cm_fields['O'] = strdup(CC->room.QRname);
+                       msg->cm_fields['N'] = strdup(NODENAME);
+                       msg->cm_fields['E'] = strdup(pagename);
+                       msgnum = CtdlSubmitMsg(msg, NULL, "", 0);       /* Replace the current revision */
+               }
+               else {
+                       /* Theoretically it is impossible to get here, but throw an error anyway */
+                       msgnum = (-1L);
+               }
                CtdlFreeMessage(msg);
-               cprintf("%d %ld\n", CIT_OK, msgnum);            /* And give the client a msgnum */
-       }
-
-       else if (!strcasecmp(operation, "revert")) {
-               cprintf("%d FIXME not finished yet, check the log to find out wtf\n", ERROR);
+               if (msgnum >= 0L) {
+                       cprintf("%d %ld\n", CIT_OK, msgnum);            /* Give the client a msgnum */
+               }
+               else {
+                       cprintf("%d Error %ld has occurred.\n", ERROR+INTERNAL_ERROR, msgnum);
+               }
        }
 
        /* We did all this work for nothing.  Express anguish to the caller. */