2 * Copyright (c) 1987-2016 by the citadel.org team
4 * This program is open source software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
15 #include "ctdl_module.h"
18 #include <sys/types.h>
25 * DownLoad User Image (see their avatar or photo or whatever)
26 * If this command succeeds, it follows the same protocol as the DLAT command.
28 void cmd_dlui(char *cmdbuf)
30 struct ctdluser ruser;
33 extract_token(buf, cmdbuf, 0, '|', sizeof buf);
34 if (CtdlGetUser(&ruser, buf) != 0) {
35 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
38 if (ruser.msgnum_pic < 1) {
39 cprintf("%d No image found.\n", ERROR + FILE_NOT_FOUND);
43 struct CtdlMessage *msg = CtdlFetchMessage(ruser.msgnum_pic, 1, 1);
45 // The call to CtdlOutputPreLoadedMsg() with MT_SPEW_SECTION will cause the DLUI command
46 // to have the same output format as the DLAT command, because it calls the same code.
47 // For example: 600 402132|-1||image/gif|
48 safestrncpy(CC->download_desired_section, "1", sizeof CC->download_desired_section);
49 CtdlOutputPreLoadedMsg(msg, MT_SPEW_SECTION, HEADERS_NONE, 1, 0, 0);
53 cprintf("%d No image found.\n", ERROR + MESSAGE_NOT_FOUND);
62 * Import function called by import_old_userpic_files() for a single user
64 void import_one_userpic_file(char *username, long usernum, char *path)
66 syslog(LOG_DEBUG, "Import legacy userpic for %s, usernum=%ld, filename=%s", username, usernum, path);
68 FILE *fp = fopen(path, "r");
71 fseek(fp, 0, SEEK_END);
72 long data_length = ftell(fp);
74 if (data_length >= 1) {
76 char *unencoded_data = malloc(data_length);
78 fread(unencoded_data, data_length, 1, fp);
79 char *encoded_data = malloc((data_length * 2) + 100);
81 // FIXME try to guess the content-type based on the filename, don't assume GIF
82 sprintf(encoded_data, "Content-type: image/gif\nContent-transfer-encoding: base64\n\n");
83 CtdlEncodeBase64(&encoded_data[strlen(encoded_data)], unencoded_data, data_length, 1);
85 char userconfigroomname[ROOMNAMELEN];
86 struct ctdluser usbuf;
88 if (CtdlGetUser(&usbuf, username) == 0) { // no need to lock it , we are still initializing
89 long old_msgnum = usbuf.msgnum_pic;
90 CtdlMailboxName(userconfigroomname, sizeof userconfigroomname, &usbuf, USERCONFIGROOM);
91 long new_msgnum = quickie_message("Citadel", NULL, NULL, userconfigroomname, encoded_data, FMT_RFC822, "Photo imported from file");
92 syslog(LOG_DEBUG, "Message %ld is now the profile for %s", new_msgnum, username);
93 usbuf.msgnum_pic = new_msgnum;
95 unlink(path); // delete the old file , it's in the database now
97 syslog(LOG_DEBUG, "Deleting old message %ld from %s", old_msgnum, userconfigroomname);
98 CtdlDeleteMessages(userconfigroomname, &old_msgnum, 1, "");
103 free(unencoded_data);
111 * Look for old-format "userpic" files and import them into the message base
113 void import_old_userpic_files(void)
116 struct dirent *filedir_entry;
119 struct ctdluser usbuf;
126 syslog(LOG_DEBUG, "Importing old style userpic files into the message base");
127 d = (struct dirent *)malloc(offsetof(struct dirent, d_name) + PATH_MAX + 2);
132 filedir = opendir (ctdl_usrpic_dir);
133 if (filedir == NULL) {
137 while ((readdir_r(filedir, d, &filedir_entry) == 0) &&
138 (filedir_entry != NULL))
140 #ifdef _DIRENT_HAVE_D_NAMLEN
141 d_namelen = filedir_entry->d_namlen;
144 d_namelen = strlen(filedir_entry->d_name);
147 #ifdef _DIRENT_HAVE_D_TYPE
148 d_type = filedir_entry->d_type;
157 #define IFTODT(mode) (((mode) & 0170000) >> 12)
158 #define DTTOIF(dirtype) ((dirtype) << 12)
162 if ((d_namelen == 1) &&
163 (filedir_entry->d_name[0] == '.'))
166 if ((d_namelen == 2) &&
167 (filedir_entry->d_name[0] == '.') &&
168 (filedir_entry->d_name[1] == '.'))
171 snprintf(path, PATH_MAX, "%s/%s", ctdl_usrpic_dir, filedir_entry->d_name);
172 if (d_type == DT_UNKNOWN) {
173 if (lstat(path, &s) == 0) {
174 d_type = IFTODT(s.st_mode);
183 usernum = atol(filedir_entry->d_name);
184 if (CtdlGetUserByNumber(&usbuf, usernum) == 0) {
185 import_one_userpic_file(usbuf.fullname, usernum, path);
191 rmdir(ctdl_usrpic_dir);
196 CTDL_MODULE_INIT(image)
200 import_old_userpic_files();
201 CtdlRegisterProtoHook(cmd_dlui, "DLUI", "DownLoad User Image");
203 /* return our module name for the log */