webcit/graphics.c

   1 /*
   2  * $Id$
   3  *
   4  * Handles HTTP upload of graphics files into the system.
   5  *
   6  * Copyright (c) 1996-2010 by the citadel.org team
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 3 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include "webcit.h"
  24
  25 void display_graphics_upload(char *description, char *filename, char *uplurl)
  26 {
  27         WCTemplputParams SubTP;
  28         StrBuf *Buf;
  29         char buf[SIZ];
  30
  31
  32         snprintf(buf, SIZ, "UIMG 0||%s", filename);
  33         serv_puts(buf);
  34         serv_getln(buf, sizeof buf);
  35         if (buf[0] != '2') {
  36                 strcpy(WC->ImportantMessage, &buf[4]);
  37                 display_main_menu();
  38                 return;
  39         }
  40         /*output_headers(1, 1, 0, 0, 0, 0); */
  41
  42         output_headers(1, 1, 1, 0, 0, 0);
  43
  44         Buf = NewStrBufPlain(_("Image upload"), -1);
  45         memset(&SubTP, 0, sizeof(WCTemplputParams));
  46         SubTP.Filter.ContextType = CTX_STRBUF;
  47         SubTP.Context = Buf;
  48         DoTemplate(HKEY("beginbox"), NULL, &SubTP);
  49
  50         FreeStrBuf(&Buf);
  51
  52         wc_printf("<form enctype=\"multipart/form-data\" action=\"%s\" "
  53                 "method=\"post\" name=\"graphicsupload\">\n", uplurl);
  54
  55         wc_printf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
  56         wc_printf("<input type=\"hidden\" name=\"which_room\" value=\"");
  57         urlescputs(bstr("which_room"));
  58         wc_printf("\">\n");
  59
  60         wc_printf(_("You can upload an image directly from your computer"));
  61         wc_printf("<br /><br />\n");
  62
  63         wc_printf(_("Please select a file to upload:"));
  64         wc_printf("<input type=\"file\" name=\"filename\" size=\"35\">\n");
  65
  66         wc_printf("<div class=\"uploadpic\"><img src=\"image?name=%s\"></div>\n", filename);
  67
  68         wc_printf("<div class=\"buttons\">");
  69         wc_printf("<input type=\"submit\" name=\"upload_button\" value=\"%s\">\n", _("Upload"));
  70         wc_printf("&nbsp;");
  71         wc_printf("<input type=\"reset\" value=\"%s\">\n", _("Reset form"));
  72         wc_printf("&nbsp;");
  73         wc_printf("<input type=\"submit\" name=\"cancel_button\" value=\"%s\">\n", _("Cancel"));
  74         wc_printf("</div>\n");
  75         wc_printf("</form>\n");
  76
  77         do_template("endbox", NULL);
  78
  79         wDumpContent(1);
  80 }
  81
  82 void do_graphics_upload(char *filename)
  83 {
  84         const char *MimeType;
  85         wcsession *WCC = WC;
  86         char buf[SIZ];
  87         int bytes_remaining;
  88         int pos = 0;
  89         int thisblock;
  90         bytes_remaining = WCC->upload_length;
  91
  92         if (havebstr("cancel_button")) {
  93                 strcpy(WC->ImportantMessage,
  94                         _("Graphics upload has been cancelled."));
  95                 display_main_menu();
  96                 return;
  97         }
  98
  99         if (WCC->upload_length == 0) {
 100                 strcpy(WC->ImportantMessage,
 101                         _("You didn't upload a file."));
 102                 display_main_menu();
 103                 return;
 104         }
 105
 106         MimeType = GuessMimeType(ChrPtr(WCC->upload), bytes_remaining);
 107         snprintf(buf, SIZ, "UIMG 1|%s|%s", MimeType, filename);
 108         serv_puts(buf);
 109
 110         serv_getln(buf, sizeof buf);
 111         if (buf[0] != '2') {
 112                 strcpy(WCC->ImportantMessage, &buf[4]);
 113                 display_main_menu();
 114                 return;
 115         }
 116         while (bytes_remaining) {
 117                 thisblock = ((bytes_remaining > 4096) ? 4096 : bytes_remaining);
 118                 serv_printf("WRIT %d", thisblock);
 119                 serv_getln(buf, sizeof buf);
 120                 if (buf[0] != '7') {
 121                         strcpy(WCC->ImportantMessage, &buf[4]);
 122                         serv_puts("UCLS 0");
 123                         serv_getln(buf, sizeof buf);
 124                         display_main_menu();
 125                         return;
 126                 }
 127                 thisblock = extract_int(&buf[4], 0);
 128                 serv_write(&ChrPtr(WCC->upload)[pos], thisblock);
 129                 pos = pos + thisblock;
 130                 bytes_remaining = bytes_remaining - thisblock;
 131         }
 132
 133         serv_puts("UCLS 1");
 134         serv_getln(buf, sizeof buf);
 135         if (buf[0] != 'x') {
 136                 display_success(&buf[4]);
 137                 return;
 138         }
 139 }
 140
 141
 142 void edithellopic(void)    { do_graphics_upload("hello"); }
 143 void editpic(void)         { do_graphics_upload("_userpic_"); }
 144 void editgoodbuyepic(void) { do_graphics_upload("UIMG 1|%s|goodbuye"); }
 145
 146 /* The users photo display / upload facility */
 147 void display_editpic(void) {
 148         display_graphics_upload(_("your photo"),
 149                                 "_userpic_",
 150                                 "editpic");
 151 }
 152 /* room picture dispay / upload facility */
 153 void display_editroompic(void) {
 154         display_graphics_upload(_("the icon for this room"),
 155                                 "_roompic_",
 156                                 "editroompic");
 157 }
 158
 159 /* the greetingpage hello pic */
 160 void display_edithello(void) {
 161         display_graphics_upload(_("the Greetingpicture for the login prompt"),
 162                                 "hello",
 163                                 "edithellopic");
 164 }
 165
 166 /* the logoff banner */
 167 void display_editgoodbyepic(void) {
 168         display_graphics_upload(_("the Logoff banner picture"),
 169                                 "UIMG 0|%s|goodbuye",
 170                                 "editgoodbuyepic");
 171 }
 172
 173 void display_editfloorpic(void) {
 174         char buf[SIZ];
 175         snprintf(buf, SIZ, "_floorpic_|%s",
 176                  bstr("which_floor"));
 177         display_graphics_upload(_("the icon for this floor"),
 178                                 buf,
 179                                 "editfloorpic");
 180 }
 181
 182 void editroompic(void) {
 183         char buf[SIZ];
 184         snprintf(buf, SIZ, "_roompic_|%s",
 185                  bstr("which_room"));
 186         do_graphics_upload(buf);
 187 }
 188
 189 void editfloorpic(void){
 190         char buf[SIZ];
 191         snprintf(buf, SIZ, "_floorpic_|%s",
 192                  bstr("which_floor"));
 193         do_graphics_upload(buf);
 194 }
 195
 196 void
 197 InitModule_GRAPHICS
 198 (void)
 199 {
 200         WebcitAddUrlHandler(HKEY("display_editpic"), "", 0, display_editpic, 0);
 201         WebcitAddUrlHandler(HKEY("editpic"), "", 0, editpic, 0);
 202         WebcitAddUrlHandler(HKEY("display_editroompic"), "", 0, display_editroompic, 0);
 203         WebcitAddUrlHandler(HKEY("editroompic"), "", 0, editroompic, 0);
 204         WebcitAddUrlHandler(HKEY("display_edithello"), "", 0, display_edithello, 0);
 205         WebcitAddUrlHandler(HKEY("edithellopic"), "", 0, edithellopic, 0);
 206         WebcitAddUrlHandler(HKEY("display_editgoodbuye"), "", 0, display_editgoodbyepic, 0);
 207         WebcitAddUrlHandler(HKEY("editgoodbuyepic"), "", 0, editgoodbuyepic, 0);
 208         WebcitAddUrlHandler(HKEY("display_editfloorpic"), "", 0, display_editfloorpic, 0);
 209         WebcitAddUrlHandler(HKEY("editfloorpic"), "", 0, editfloorpic, 0);
 210 }