3 // Copyright (c) 1996-2023 by the citadel.org team
5 // This program is open source software. Use, duplication, or disclosure is subject to the GNU General Public License v3.
10 // Fetch a user photo (avatar)
11 void fetch_user_photo(struct http_transaction *h, struct ctdlsession *c, char *username) {
13 int content_length = 0;
14 char content_type[1024];
16 int actual_length = 0;
18 ctdl_printf(c, "DLUI %s", username);
19 ctdl_readline(c, buf, sizeof(buf));
21 content_length = extract_int(&buf[4], 0);
22 extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
24 image = malloc(content_length);
29 actual_length = ctdl_read_binary(c, image, content_length);
31 add_response_header(h, strdup("Content-type"), strdup(content_type));
32 h->response_code = 200;
33 h->response_string = strdup("OK");
34 h->response_body_length = actual_length;
35 h->response_body = image;
39 // The user has no avatar on file. Redirect to a generic avatar.
40 http_redirect(h, "/ctdl/s/images/generic-user-icon-32px.png");
42 // Sending a 404 makes the browser request the same thing over and over again.
47 // Fetch a user bio (profile)
48 void fetch_user_bio(struct http_transaction *h, struct ctdlsession *c, char *username) {
49 do_404(h); // FIXME finish this
53 // Client requested an object related to a user.
54 void object_in_user(struct http_transaction *h, struct ctdlsession *c, char *requested_username) {
55 char object_name[1024];
57 extract_token(object_name, h->url, 4, '/', sizeof object_name);
59 if (!strcasecmp(object_name, "userpic")) { // user photo (avatar)
60 fetch_user_photo(h, c, requested_username);
64 if (!strcasecmp(object_name, "bio")) { // user bio (profile)
65 fetch_user_bio(h, c, requested_username);
69 do_404(h); // unknown object
74 // Handle REST/DAV requests for the user itself (such as /ctdl/u/username
75 // or /ctdl/i/username/ but *not* specific properties of the user)
76 void the_user_itself(struct http_transaction *h, struct ctdlsession *c, char *username) {
81 // Dispatcher for "/ctdl/u" and "/ctdl/u/" for the user list
82 void user_list(struct http_transaction *h, struct ctdlsession *c) {
87 // Dispatcher for paths starting with /ctdl/u/
88 void ctdl_u(struct http_transaction *h, struct ctdlsession *c) {
89 char requested_username[128];
92 // All user-related functions require accessing the user in question.
93 extract_token(requested_username, h->url, 3, '/', sizeof requested_username);
94 unescape_input(requested_username);
96 if (IsEmptyStr(requested_username)) { // /ctdl/u/
101 // At this point we have extracted the name of the user we're interested in.
102 // FIXME should we validate it?
104 if (num_tokens(h->url, '/') == 4) { // /ctdl/u/username
105 the_user_itself(h, c, requested_username);
109 extract_token(buf, h->url, 4, '/', sizeof buf);
110 if (num_tokens(h->url, '/') == 5) {
111 if (IsEmptyStr(buf)) {
112 the_user_itself(h, c, requested_username); // /ctdl/u/username/ (same as /ctdl/u/username)
115 object_in_user(h, c, requested_username); // /ctdl/u/username/object
120 if (num_tokens(h->url, '/') == 6) {
121 object_in_user(h, c, requested_username); // /ctdl/u/username/object/ or possibly /ctdl/u/username/object/component
125 // If we get to this point, the client requested an action we don't know how to perform.