webcit/graphics.c

   1 /*
   2  * Handles HTTP upload of graphics files into the system.
   3  *
   4  * Copyright (c) 1996-2010 by the citadel.org team
   5  *
   6  * This program is open source software.  You can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 3 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19  */
  20
  21 #include "webcit.h"
  22
  23 void display_graphics_upload(char *description, char *filename, char *uplurl)
  24 {
  25         WCTemplputParams SubTP;
  26         StrBuf *Buf;
  27         char buf[SIZ];
  28
  29
  30         snprintf(buf, SIZ, "UIMG 0||%s", filename);
  31         serv_puts(buf);
  32         serv_getln(buf, sizeof buf);
  33         if (buf[0] != '2') {
  34                 strcpy(WC->ImportantMessage, &buf[4]);
  35                 display_main_menu();
  36                 return;
  37         }
  38         /*output_headers(1, 1, 0, 0, 0, 0); */
  39
  40         output_headers(1, 1, 1, 0, 0, 0);
  41
  42         Buf = NewStrBufPlain(_("Image upload"), -1);
  43         memset(&SubTP, 0, sizeof(WCTemplputParams));
  44         SubTP.Filter.ContextType = CTX_STRBUF;
  45         SubTP.Context = Buf;
  46         DoTemplate(HKEY("beginbox"), NULL, &SubTP);
  47
  48         FreeStrBuf(&Buf);
  49
  50         wc_printf("<form enctype=\"multipart/form-data\" action=\"%s\" "
  51                 "method=\"post\" name=\"graphicsupload\">\n", uplurl);
  52
  53         wc_printf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
  54         wc_printf("<input type=\"hidden\" name=\"which_room\" value=\"");
  55         urlescputs(bstr("which_room"));
  56         wc_printf("\">\n");
  57
  58         wc_printf(_("You can upload an image directly from your computer"));
  59         wc_printf("<br /><br />\n");
  60
  61         wc_printf(_("Please select a file to upload:"));
  62         wc_printf("<input type=\"file\" name=\"filename\" size=\"35\">\n");
  63
  64         wc_printf("<div class=\"uploadpic\"><img src=\"image?name=%s\"></div>\n", filename);
  65
  66         wc_printf("<div class=\"buttons\">");
  67         wc_printf("<input type=\"submit\" name=\"upload_button\" value=\"%s\">\n", _("Upload"));
  68         wc_printf("&nbsp;");
  69         wc_printf("<input type=\"reset\" value=\"%s\">\n", _("Reset form"));
  70         wc_printf("&nbsp;");
  71         wc_printf("<input type=\"submit\" name=\"cancel_button\" value=\"%s\">\n", _("Cancel"));
  72         wc_printf("</div>\n");
  73         wc_printf("</form>\n");
  74
  75         do_template("endbox", NULL);
  76
  77         wDumpContent(1);
  78 }
  79
  80 void do_graphics_upload(char *filename)
  81 {
  82         const char *MimeType;
  83         wcsession *WCC = WC;
  84         char buf[SIZ];
  85         int bytes_remaining;
  86         int pos = 0;
  87         int thisblock;
  88         bytes_remaining = WCC->upload_length;
  89
  90         if (havebstr("cancel_button")) {
  91                 strcpy(WC->ImportantMessage,
  92                         _("Graphics upload has been cancelled."));
  93                 display_main_menu();
  94                 return;
  95         }
  96
  97         if (WCC->upload_length == 0) {
  98                 strcpy(WC->ImportantMessage,
  99                         _("You didn't upload a file."));
 100                 display_main_menu();
 101                 return;
 102         }
 103
 104         MimeType = GuessMimeType(ChrPtr(WCC->upload), bytes_remaining);
 105         snprintf(buf, SIZ, "UIMG 1|%s|%s", MimeType, filename);
 106         serv_puts(buf);
 107
 108         serv_getln(buf, sizeof buf);
 109         if (buf[0] != '2') {
 110                 strcpy(WCC->ImportantMessage, &buf[4]);
 111                 display_main_menu();
 112                 return;
 113         }
 114         while (bytes_remaining) {
 115                 thisblock = ((bytes_remaining > 4096) ? 4096 : bytes_remaining);
 116                 serv_printf("WRIT %d", thisblock);
 117                 serv_getln(buf, sizeof buf);
 118                 if (buf[0] != '7') {
 119                         strcpy(WCC->ImportantMessage, &buf[4]);
 120                         serv_puts("UCLS 0");
 121                         serv_getln(buf, sizeof buf);
 122                         display_main_menu();
 123                         return;
 124                 }
 125                 thisblock = extract_int(&buf[4], 0);
 126                 serv_write(&ChrPtr(WCC->upload)[pos], thisblock);
 127                 pos = pos + thisblock;
 128                 bytes_remaining = bytes_remaining - thisblock;
 129         }
 130
 131         serv_puts("UCLS 1");
 132         serv_getln(buf, sizeof buf);
 133         if (buf[0] != 'x') {
 134                 display_success(&buf[4]);
 135                 return;
 136         }
 137 }
 138
 139
 140 void edithellopic(void)    { do_graphics_upload("hello"); }
 141 void editpic(void)         { do_graphics_upload("_userpic_"); }
 142 void editgoodbuyepic(void) { do_graphics_upload("UIMG 1|%s|goodbuye"); }
 143
 144 /* The users photo display / upload facility */
 145 void display_editpic(void) {
 146         display_graphics_upload(_("your photo"),
 147                                 "_userpic_",
 148                                 "editpic");
 149 }
 150 /* room picture dispay / upload facility */
 151 void display_editroompic(void) {
 152         display_graphics_upload(_("the icon for this room"),
 153                                 "_roompic_",
 154                                 "editroompic");
 155 }
 156
 157 /* the greetingpage hello pic */
 158 void display_edithello(void) {
 159         display_graphics_upload(_("the Greetingpicture for the login prompt"),
 160                                 "hello",
 161                                 "edithellopic");
 162 }
 163
 164 /* the logoff banner */
 165 void display_editgoodbyepic(void) {
 166         display_graphics_upload(_("the Logoff banner picture"),
 167                                 "UIMG 0|%s|goodbuye",
 168                                 "editgoodbuyepic");
 169 }
 170
 171 void display_editfloorpic(void) {
 172         char buf[SIZ];
 173         snprintf(buf, SIZ, "_floorpic_|%s",
 174                  bstr("which_floor"));
 175         display_graphics_upload(_("the icon for this floor"),
 176                                 buf,
 177                                 "editfloorpic");
 178 }
 179
 180 void editroompic(void) {
 181         char buf[SIZ];
 182         snprintf(buf, SIZ, "_roompic_|%s",
 183                  bstr("which_room"));
 184         do_graphics_upload(buf);
 185 }
 186
 187 void editfloorpic(void){
 188         char buf[SIZ];
 189         snprintf(buf, SIZ, "_floorpic_|%s",
 190                  bstr("which_floor"));
 191         do_graphics_upload(buf);
 192 }
 193
 194 void
 195 InitModule_GRAPHICS
 196 (void)
 197 {
 198         WebcitAddUrlHandler(HKEY("display_editpic"), "", 0, display_editpic, 0);
 199         WebcitAddUrlHandler(HKEY("editpic"), "", 0, editpic, 0);
 200         WebcitAddUrlHandler(HKEY("display_editroompic"), "", 0, display_editroompic, 0);
 201         WebcitAddUrlHandler(HKEY("editroompic"), "", 0, editroompic, 0);
 202         WebcitAddUrlHandler(HKEY("display_edithello"), "", 0, display_edithello, 0);
 203         WebcitAddUrlHandler(HKEY("edithellopic"), "", 0, edithellopic, 0);
 204         WebcitAddUrlHandler(HKEY("display_editgoodbuye"), "", 0, display_editgoodbyepic, 0);
 205         WebcitAddUrlHandler(HKEY("editgoodbuyepic"), "", 0, editgoodbuyepic, 0);
 206         WebcitAddUrlHandler(HKEY("display_editfloorpic"), "", 0, display_editfloorpic, 0);
 207         WebcitAddUrlHandler(HKEY("editfloorpic"), "", 0, editfloorpic, 0);
 208 }