webcit/graphics.c

   1 /*
   2  * Handles HTTP upload of graphics files into the system.
   3  *
   4  * Copyright (c) 1996-2012 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, version 3.
   8  *
   9  *
  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  *
  17  *
  18  *
  19  */
  20
  21 #include "webcit.h"
  22
  23 extern void output_static(const char* What);
  24
  25 void display_graphics_upload(char *filename)
  26 {
  27         StrBuf *Line;
  28
  29         Line = NewStrBuf();
  30         serv_printf("UIMG 0||%s", filename);
  31         StrBuf_ServGetln(Line);
  32         if (GetServerStatusMsg(Line, NULL, 1, 2) != 2) {
  33                 display_main_menu();
  34                 return;
  35         }
  36         else
  37         {
  38                 output_headers(1, 0, 0, 0, 1, 0);
  39                 do_template("files_graphicsupload");
  40                 end_burst();
  41         }
  42         FreeStrBuf(&Line);
  43 }
  44
  45 void do_graphics_upload(char *filename)
  46 {
  47         StrBuf *Line;
  48         const char *MimeType;
  49         wcsession *WCC = WC;
  50         int bytes_remaining;
  51         int pos = 0;
  52         int thisblock;
  53         bytes_remaining = WCC->upload_length;
  54
  55         if (havebstr("cancel_button")) {
  56                 AppendImportantMessage(_("Graphics upload has been cancelled."), -1);
  57                 display_main_menu();
  58                 return;
  59         }
  60
  61         if (WCC->upload_length == 0) {
  62                 AppendImportantMessage(_("You didn't upload a file."), -1);
  63                 display_main_menu();
  64                 return;
  65         }
  66
  67         MimeType = GuessMimeType(ChrPtr(WCC->upload), bytes_remaining);
  68         serv_printf("UIMG 1|%s|%s", MimeType, filename);
  69
  70         Line = NewStrBuf();
  71         StrBuf_ServGetln(Line);
  72         if (GetServerStatusMsg(Line, NULL, 1, 2) != 2) {
  73                 display_main_menu();
  74                 FreeStrBuf(&Line);
  75                 return;
  76         }
  77         while (bytes_remaining) {
  78                 thisblock = ((bytes_remaining > 4096) ? 4096 : bytes_remaining);
  79                 serv_printf("WRIT %d", thisblock);
  80                 StrBuf_ServGetln(Line);
  81                 if (GetServerStatusMsg(Line, NULL, 1, 7) != 7) {
  82                         serv_puts("UCLS 0");
  83                         StrBuf_ServGetln(Line);
  84                         display_main_menu();
  85                         FreeStrBuf(&Line);
  86                         return;
  87                 }
  88                 thisblock = extract_int(ChrPtr(Line) +4, 0);
  89                 serv_write(&ChrPtr(WCC->upload)[pos], thisblock);
  90                 pos += thisblock;
  91                 bytes_remaining -= thisblock;
  92         }
  93
  94         serv_puts("UCLS 1");
  95         StrBuf_ServGetln(Line);
  96         if (*ChrPtr(Line) != 'x') {
  97                 display_success(ChrPtr(Line) + 4);
  98
  99         }
 100         FreeStrBuf(&Line);
 101
 102 }
 103
 104
 105 void edithellopic(void)    { do_graphics_upload("hello"); }
 106 void editpic(void)         { do_graphics_upload("_userpic_"); }
 107 void editgoodbuyepic(void) { do_graphics_upload("UIMG 1|%s|goodbuye"); }
 108
 109 /* The users photo display / upload facility */
 110 void display_editpic(void) {
 111         putbstr("__WHICHPIC", NewStrBufPlain(HKEY("_userpic_")));
 112         putbstr("__PICDESC", NewStrBufPlain(_("your photo"), -1));
 113         putbstr("__UPLURL", NewStrBufPlain(HKEY("editpic")));
 114         display_graphics_upload("editpic");
 115 }
 116 /* room picture dispay / upload facility */
 117 void display_editroompic(void) {
 118         putbstr("__WHICHPIC", NewStrBufPlain(HKEY("_roompic_")));
 119         putbstr("__PICDESC", NewStrBufPlain(_("the icon for this room"), -1));
 120         putbstr("__UPLURL", NewStrBufPlain(HKEY("editroompic")));
 121         display_graphics_upload("editroompic");
 122 }
 123
 124 /* the greetingpage hello pic */
 125 void display_edithello(void) {
 126         putbstr("__WHICHPIC", NewStrBufPlain(HKEY("hello")));
 127         putbstr("__PICDESC", NewStrBufPlain(_("the Greetingpicture for the login prompt"), -1));
 128         putbstr("__UPLURL", NewStrBufPlain(HKEY("edithellopic")));
 129         display_graphics_upload("edithellopic");
 130 }
 131
 132 /* the logoff banner */
 133 void display_editgoodbyepic(void) {
 134         putbstr("__WHICHPIC", NewStrBufPlain(HKEY("UIMG 0|%s|goodbuye")));
 135         putbstr("__PICDESC", NewStrBufPlain(_("the Logoff banner picture"), -1));
 136         putbstr("__UPLURL", NewStrBufPlain(HKEY("editgoodbuyepic")));
 137         display_graphics_upload("editgoodbuyepic");
 138 }
 139
 140 void display_editfloorpic(void) {
 141         StrBuf *PicAction;
 142
 143         PicAction = NewStrBuf();
 144         StrBufPrintf(PicAction, "_floorpic_|%s", bstr("which_floor"));
 145         putbstr("__WHICHPIC", PicAction);
 146         putbstr("__PICDESC", NewStrBufPlain(_("the icon for this floor"), -1));
 147         putbstr("__UPLURL", NewStrBufPlain(HKEY("editfloorpic")));
 148         display_graphics_upload("editfloorpic");
 149 }
 150
 151 void editroompic(void) {
 152         char buf[SIZ];
 153         snprintf(buf, SIZ, "_roompic_|%s",
 154                  bstr("which_room"));
 155         do_graphics_upload(buf);
 156 }
 157
 158 void editfloorpic(void){
 159         char buf[SIZ];
 160         snprintf(buf, SIZ, "_floorpic_|%s",
 161                  bstr("which_floor"));
 162         do_graphics_upload(buf);
 163 }
 164
 165 void
 166 InitModule_GRAPHICS
 167 (void)
 168 {
 169         WebcitAddUrlHandler(HKEY("display_editpic"), "", 0, display_editpic, 0);
 170         WebcitAddUrlHandler(HKEY("editpic"), "", 0, editpic, 0);
 171         WebcitAddUrlHandler(HKEY("display_editroompic"), "", 0, display_editroompic, 0);
 172         WebcitAddUrlHandler(HKEY("editroompic"), "", 0, editroompic, 0);
 173         WebcitAddUrlHandler(HKEY("display_edithello"), "", 0, display_edithello, 0);
 174         WebcitAddUrlHandler(HKEY("edithellopic"), "", 0, edithellopic, 0);
 175         WebcitAddUrlHandler(HKEY("display_editgoodbuye"), "", 0, display_editgoodbyepic, 0);
 176         WebcitAddUrlHandler(HKEY("editgoodbuyepic"), "", 0, editgoodbuyepic, 0);
 177         WebcitAddUrlHandler(HKEY("display_editfloorpic"), "", 0, display_editfloorpic, 0);
 178         WebcitAddUrlHandler(HKEY("editfloorpic"), "", 0, editfloorpic, 0);
 179 }