]> code.citadel.org Git - citadel.git/blobdiff - webcit/webcit.c
* don't nail upload hellos to .gif as we don't need that anymore
[citadel.git] / webcit / webcit.c
index 38c617c53fd0626719ea7fe45e8176fe3dd4c05c..29463d6c972808a73f2092b0572c113a39efd009 100644 (file)
@@ -39,7 +39,8 @@ void unescape_input(char *buf)
                buflen --;
        }
 
-       for (a = 0; a < buflen; ++a) {
+       a = 0; 
+       while (a < buflen) {
                if (buf[a] == '+')
                        buf[a] = ' ';
                if (buf[a] == '%') {
@@ -53,6 +54,7 @@ void unescape_input(char *buf)
                        
                        buflen -=2;
                }
+               a++;
        }
 
 }
@@ -325,6 +327,7 @@ void jsesc(char *target, size_t tlen, char *strbuf)
        target[0]='\0';
        len = strlen (strbuf);
        send = strbuf + len;
+       tend = target + tlen;
        sptr = strbuf;
        tptr = target;
        
@@ -396,6 +399,7 @@ void msgesc(char *target, size_t tlen, char *strbuf)
        target[0]='\0';
        len = strlen (strbuf);
        send = strbuf + len;
+       tend = target + tlen;
        sptr = strbuf;
        tptr = target;
 
@@ -534,14 +538,15 @@ void output_headers(      int do_httpheaders,     /**< 1 = output HTTP headers
 
                /** check for ImportantMessages (these display in a div overlaying the main screen) */
                if (!IsEmptyStr(WC->ImportantMessage)) {
-                       wprintf("<div id=\"important_message\">\n");
-                       wprintf("<span class=\"imsg\">"
-                               "%s</span><br />\n", WC->ImportantMessage);
-                       wprintf("</div>\n");
-                       wprintf("<script type=\"text/javascript\">\n"
-                               "        setTimeout('hide_imsg_popup()', 3000); \n"
+                       wprintf("<div id=\"important_message\">\n"
+                               "<span class=\"imsg\">");
+                       escputs(WC->ImportantMessage);
+                       wprintf("</span><br />\n"
+                               "</div>\n"
+                               "<script type=\"text/javascript\">\n"
+                               "        setTimeout('hide_imsg_popup()', 5000); \n"
                                "</script>\n");
-                       safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
+                       WC->ImportantMessage[0] = 0;
                }
 
                if ( (WC->logged_in) && (!unset_cookies) ) {
@@ -584,7 +589,7 @@ void http_redirect(char *whichpage) {
 /**
  * \brief Output a piece of content to the web browser
  */
-void http_transmit_thing(char *thing, size_t length, char *content_type,
+void http_transmit_thing(char *thing, size_t length, const char *content_type,
                         int is_static) {
 
        output_headers(0, 0, 0, 0, 0, is_static);
@@ -672,54 +677,52 @@ void output_static(char *what)
        FILE *fp;
        struct stat statbuf;
        off_t bytes;
+       off_t count = 0;
+       size_t res;
        char *bigbuffer;
-       char content_type[128];
+       const char *content_type;
        int len;
 
        fp = fopen(what, "rb");
        if (fp == NULL) {
                lprintf(9, "output_static('%s')  -- NOT FOUND --\n", what);
-               wprintf("HTTP/1.1 404 %s\n", strerror(errno));
+               wprintf("HTTP/1.1 404 %s\r\n", strerror(errno));
                wprintf("Content-Type: text/plain\r\n");
                wprintf("\r\n");
-               wprintf("Cannot open %s: %s\n", what, strerror(errno));
+               wprintf("Cannot open %s: %s\r\n", what, strerror(errno));
        } else {
                len = strlen (what);
-               if (!strncasecmp(&what[len - 4], ".gif", 4))
-                       safestrncpy(content_type, "image/gif", sizeof content_type);
-               else if (!strncasecmp(&what[len - 4], ".txt", 4))
-                       safestrncpy(content_type, "text/plain", sizeof content_type);
-               else if (!strncasecmp(&what[len - 4], ".css", 4))
-                       safestrncpy(content_type, "text/css", sizeof content_type);
-               else if (!strncasecmp(&what[len - 4], ".jpg", 4))
-                       safestrncpy(content_type, "image/jpeg", sizeof content_type);
-               else if (!strncasecmp(&what[len - 4], ".png", 4))
-                       safestrncpy(content_type, "image/png", sizeof content_type);
-               else if (!strncasecmp(&what[len - 4], ".ico", 4))
-                       safestrncpy(content_type, "image/x-icon", sizeof content_type);
-               else if (!strncasecmp(&what[len - 5], ".html", 5))
-                       safestrncpy(content_type, "text/html", sizeof content_type);
-               else if (!strncasecmp(&what[len - 4], ".htm", 4))
-                       safestrncpy(content_type, "text/html", sizeof content_type);
-               else if (!strncasecmp(&what[len - 4], ".wml", 4))
-                       safestrncpy(content_type, "text/vnd.wap.wml", sizeof content_type);
-               else if (!strncasecmp(&what[len - 5], ".wmls", 5))
-                       safestrncpy(content_type, "text/vnd.wap.wmlscript", sizeof content_type);
-               else if (!strncasecmp(&what[len - 5], ".wmlc", 5))
-                       safestrncpy(content_type, "application/vnd.wap.wmlc", sizeof content_type);
-               else if (!strncasecmp(&what[len - 6], ".wmlsc", 6))
-                       safestrncpy(content_type, "application/vnd.wap.wmlscriptc", sizeof content_type);
-               else if (!strncasecmp(&what[len - 5], ".wbmp", 5))
-                       safestrncpy(content_type, "image/vnd.wap.wbmp", sizeof content_type);
-               else if (!strncasecmp(&what[len - 3], ".js", 3))
-                       safestrncpy(content_type, "text/javascript", sizeof content_type);
-               else
-                       safestrncpy(content_type, "application/octet-stream", sizeof content_type);
-
-               fstat(fileno(fp), &statbuf);
+               content_type = GuessMimeByFilename(what, len);
+
+               if (fstat(fileno(fp), &statbuf) == -1) {
+                       lprintf(9, "output_static('%s')  -- FSTAT FAILED --\n", what);
+                       wprintf("HTTP/1.1 404 %s\r\n", strerror(errno));
+                       wprintf("Content-Type: text/plain\r\n");
+                       wprintf("\r\n");
+                       wprintf("Cannot fstat %s: %s\n", what, strerror(errno));
+                       return;
+               }
+
+               count = 0;
                bytes = statbuf.st_size;
-               bigbuffer = malloc(bytes + 2);
-               fread(bigbuffer, bytes, 1, fp);
+               if ((bigbuffer = malloc(bytes + 2)) == NULL) {
+                       lprintf(9, "output_static('%s')  -- MALLOC FAILED (%s) --\n", what, strerror(errno));
+                       wprintf("HTTP/1.1 500 internal server error\r\n");
+                       wprintf("Content-Type: text/plain\r\n");
+                       wprintf("\r\n");
+                       return;
+               }
+               while (count < bytes) {
+                       if ((res = fread(bigbuffer + count, 1, bytes - count, fp)) == 0) {
+                               lprintf(9, "output_static('%s')  -- FREAD FAILED (%s) %zu bytes of %zu --\n", what, strerror(errno), bytes - count, bytes);
+                               wprintf("HTTP/1.1 500 internal server error \r\n");
+                               wprintf("Content-Type: text/plain\r\n");
+                               wprintf("\r\n");
+                               return;
+                       }
+                       count += res;
+               }
+
                fclose(fp);
 
                lprintf(9, "output_static('%s')  %s\n", what, content_type);
@@ -731,7 +734,6 @@ void output_static(char *what)
        }
 }
 
-
 /**
  * \brief When the browser requests an image file from the Citadel server,
  * this function is called to transmit it.
@@ -741,6 +743,7 @@ void output_image()
        char buf[SIZ];
        char *xferbuf = NULL;
        off_t bytes;
+       const char *MimeType;
 
        serv_printf("OIMG %s|%s", bstr("name"), bstr("parm"));
        serv_getln(buf, sizeof buf);
@@ -753,22 +756,29 @@ void output_image()
                serv_puts("CLOS");
                serv_getln(buf, sizeof buf);
 
+               MimeType = GuessMimeType (xferbuf, bytes);
                /** Write it to the browser */
-               http_transmit_thing(xferbuf, (size_t)bytes, "image/gif", 0);
+               if (!IsEmptyStr(MimeType))
+               {
+                       http_transmit_thing(xferbuf, 
+                                           (size_t)bytes, 
+                                           MimeType, 
+                                           0);
+                       free(xferbuf);
+                       return;
+               }
+               /* hm... unknown mimetype? fallback to blank gif */
                free(xferbuf);
+       } 
 
-       } else {
-               /**
-                * Instead of an ugly 404, send a 1x1 transparent GIF
-                * when there's no such image on the server.
-                */
-               char blank_gif[SIZ];
-               snprintf (blank_gif, SIZ, "%s%s", static_dirs[0], "/blank.gif");
-               output_static(blank_gif);
-       }
-
-
-
+       
+       /**
+        * Instead of an ugly 404, send a 1x1 transparent GIF
+        * when there's no such image on the server.
+        */
+       char blank_gif[SIZ];
+       snprintf (blank_gif, SIZ, "%s%s", static_dirs[0], "/blank.gif");
+       output_static(blank_gif);
 }
 
 /**
@@ -895,13 +905,13 @@ void offer_start_page(void) {
        wprintf("\">");
        wprintf(_("Make this my start page"));
        wprintf("</a>");
-/*
+#ifdef TECH_PREVIEW
        wprintf("<br/><a href=\"rss?room=");
        urlescputs(WC->wc_roomname);
        wprintf("\" title=\"RSS 2.0 feed for ");
        escputs(WC->wc_roomname);
        wprintf("\"><img alt=\"RSS\" border=\"0\" src=\"static/xml_button.gif\"/></a>\n");
-*/
+#endif
 }
 
 
@@ -1443,10 +1453,12 @@ void session_loop(struct httprequest *req)
        }
 
        /** This needs to run early */
+#ifdef TECH_PREVIEW
        if (!strcasecmp(action, "rss")) {
                display_rss(bstr("room"), request_method);
                goto SKIP_ALL_THIS_CRAP;
        }
+#endif
 
        /** 
         * The GroupDAV stuff relies on HTTP authentication instead of
@@ -1506,6 +1518,8 @@ void session_loop(struct httprequest *req)
 
        if (!strcasecmp(action, "image")) {
                output_image();
+       } else if (!strcasecmp(action, "display_mime_icon")) {
+               display_mime_icon();
 
                /**
                 * All functions handled below this point ... make sure we log in
@@ -1662,18 +1676,35 @@ void session_loop(struct httprequest *req)
                delete_room();
        } else if (!strcasecmp(action, "validate")) {
                validate();
+               /* The users photo display / upload facility */
        } else if (!strcasecmp(action, "display_editpic")) {
                display_graphics_upload(_("your photo"),
-                                       "UIMG 0|_userpic_",
+                                       "_userpic_",
                                        "editpic");
        } else if (!strcasecmp(action, "editpic")) {
-               do_graphics_upload("UIMG 1|_userpic_");
+               do_graphics_upload("_userpic_");
+                /* room picture dispay / upload facility */
        } else if (!strcasecmp(action, "display_editroompic")) {
                display_graphics_upload(_("the icon for this room"),
-                                       "UIMG 0|_roompic_",
+                                       "_roompic_",
                                        "editroompic");
        } else if (!strcasecmp(action, "editroompic")) {
-               do_graphics_upload("UIMG 1|_roompic_");
+               do_graphics_upload("_roompic_");
+               /* the greetingpage hello pic */
+       } else if (!strcasecmp(action, "display_edithello")) {
+               display_graphics_upload(_("the Greetingpicture for the login prompt"),
+                                       "hello",
+                                       "edithellopic");
+       } else if (!strcasecmp(action, "edithellopic")) {
+               do_graphics_upload("hello");
+               /* the logoff banner */
+       } else if (!strcasecmp(action, "display_editgoodbyepic")) {
+               display_graphics_upload(_("the Logoff banner picture"),
+                                       "UIMG 0|%s|goodbuye",
+                                       "editgoodbuyepic");
+       } else if (!strcasecmp(action, "editgoodbuyepic")) {
+               do_graphics_upload("UIMG 1|%s|goodbuye");
+
        } else if (!strcasecmp(action, "delete_floor")) {
                delete_floor();
        } else if (!strcasecmp(action, "rename_floor")) {