ULRI and DLRI commands now replace _roompic_ upload and download.
authorArt Cancro <ajc@citadel.org>
Wed, 20 Apr 2016 04:56:59 +0000 (00:56 -0400)
committerArt Cancro <ajc@citadel.org>
Wed, 20 Apr 2016 04:56:59 +0000 (00:56 -0400)
citadel/modules/image/serv_image.c

index 669c865418a1c187c4d0f9128380cd45df422664..a33143f574b3ad2c69afb35bad3dcfe6e9478eed 100644 (file)
 
 
 
+/*
+ * DownLoad Room Image (see its icon or whatever)
+ * If this command succeeds, it follows the same protocol as the DLAT command.
+ */
+void cmd_dlri(char *cmdbuf)
+{
+       if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
+       if (CC->room.msgnum_pic < 1) {
+               cprintf("%d No image found.\n", ERROR + FILE_NOT_FOUND);
+               return;
+       }
+
+       struct CtdlMessage *msg = CtdlFetchMessage(CC->room.msgnum_pic, 1, 1);
+       if (msg != NULL) {
+               // The call to CtdlOutputPreLoadedMsg() with MT_SPEW_SECTION will cause the DLUI command
+               // to have the same output format as the DLAT command, because it calls the same code.
+               // For example: 600 402132|-1||image/gif|
+               safestrncpy(CC->download_desired_section, "1", sizeof CC->download_desired_section);
+               CtdlOutputPreLoadedMsg(msg, MT_SPEW_SECTION, HEADERS_NONE, 1, 0, 0);
+               CM_Free(msg);
+       }
+       else {
+               cprintf("%d No image found.\n", ERROR + MESSAGE_NOT_FOUND);
+               return;
+       }
+}
+
+
+/*
+ * UpLoad Room Image (avatar or photo or whatever)
+ */
+void cmd_ulri(char *cmdbuf)
+{
+       long data_length;
+       char mimetype[SIZ];
+
+       if (CtdlAccessCheck(ac_room_aide)) return;
+
+       data_length = extract_long(cmdbuf, 0);
+       extract_token(mimetype, cmdbuf, 1, '|', sizeof mimetype);
+
+       if (data_length < 20) {
+               cprintf("%d That's an awfully small file.  Try again.\n", ERROR + ILLEGAL_VALUE);
+               return;
+       }
+
+       if (strncasecmp(mimetype, "image/", 6)) {
+               cprintf("%d Only image files are permitted.\n", ERROR + ILLEGAL_VALUE);
+               return;
+       }
+
+       char *unencoded_data = malloc(data_length + 1);
+       if (!unencoded_data) {
+               cprintf("%d Could not allocate %ld bytes of memory\n", ERROR + INTERNAL_ERROR , data_length);
+               return;
+       }
+
+       cprintf("%d %ld\n", SEND_BINARY, data_length);
+       client_read(unencoded_data, data_length);
+
+       // We've got the data read from the client, now save it.
+       char *encoded_data = malloc((data_length * 2) + 100);
+       if (encoded_data) {
+               sprintf(encoded_data, "Content-type: %s\nContent-transfer-encoding: base64\n\n", mimetype);
+               CtdlEncodeBase64(&encoded_data[strlen(encoded_data)], unencoded_data, data_length, 1);
+               long new_msgnum = quickie_message("Citadel", NULL, NULL, SYSCONFIGROOM, encoded_data, FMT_RFC822, "Image uploaded by admin user");
+
+               if (CtdlGetRoomLock(&CC->room, CC->room.QRname) == 0) {
+                       long old_msgnum = CC->room.msgnum_pic;
+                       syslog(LOG_DEBUG, "Message %ld is now the photo for %s", new_msgnum, CC->room.QRname);
+                       CC->room.msgnum_pic = new_msgnum;
+                       CtdlPutRoomLock(&CC->room);
+                       if (old_msgnum > 0) {
+                               syslog(LOG_DEBUG, "Deleting old message %ld from %s", old_msgnum, SYSCONFIGROOM);
+                               CtdlDeleteMessages(SYSCONFIGROOM, &old_msgnum, 1, "");
+                       }
+               }
+               free(encoded_data);
+       }
+
+       free(unencoded_data);
+}
+
+
 /*
  * DownLoad User Image (see their avatar or photo or whatever)
  * If this command succeeds, it follows the same protocol as the DLAT command.
@@ -58,7 +142,7 @@ void cmd_dlui(char *cmdbuf)
 
 
 /*
- * DownLoad User Image (avatar or photo or whatever)
+ * UpLoad User Image (avatar or photo or whatever)
  */
 void cmd_ului(char *cmdbuf)
 {
@@ -279,6 +363,8 @@ CTDL_MODULE_INIT(image)
        if (!threading)
        {
                import_old_userpic_files();
+               CtdlRegisterProtoHook(cmd_dlri, "DLRI", "DownLoad Room Image");
+               CtdlRegisterProtoHook(cmd_ulri, "ULRI", "UpLoad Room Image");
                CtdlRegisterProtoHook(cmd_dlui, "DLUI", "DownLoad User Image");
                CtdlRegisterProtoHook(cmd_ului, "ULUI", "UpLoad User Image");
        }