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  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #include "webcit.h"
  16
  17 extern void output_static(const char* What);
  18
  19
  20 // upload your photo
  21 void editpic(void)
  22 {
  23         if (havebstr("cancel_button")) {
  24                 AppendImportantMessage(_("Graphics upload has been cancelled."), -1);
  25                 display_main_menu();
  26                 return;
  27         }
  28
  29         if (WC->upload_length == 0) {
  30                 AppendImportantMessage(_("You didn't upload a file."), -1);
  31                 display_main_menu();
  32                 return;
  33         }
  34
  35         serv_printf("ULUI %ld|%s", (long)WC->upload_length, GuessMimeType(ChrPtr(WC->upload), WC->upload_length));
  36         StrBuf *Line = NewStrBuf();
  37         StrBuf_ServGetln(Line);
  38         if (GetServerStatusMsg(Line, NULL, 0, 0) == 7) {
  39                 serv_write(ChrPtr(WC->upload), WC->upload_length);
  40                 display_success(ChrPtr(Line) + 4);
  41         }
  42         else {
  43                 AppendImportantMessage((ChrPtr(Line) + 4), -1);
  44                 display_main_menu();
  45         }
  46         FreeStrBuf(&Line);
  47 }
  48
  49
  50 void display_graphics_upload(char *filename)
  51 {
  52         StrBuf *Line;
  53
  54         Line = NewStrBuf();
  55         serv_printf("UIMG 0||%s", filename);
  56         StrBuf_ServGetln(Line);
  57         if (GetServerStatusMsg(Line, NULL, 1, 2) != 2) {
  58                 display_main_menu();
  59                 return;
  60         }
  61         else
  62         {
  63                 output_headers(1, 0, 0, 0, 1, 0);
  64                 do_template("files_graphicsupload");
  65                 end_burst();
  66         }
  67         FreeStrBuf(&Line);
  68 }
  69
  70 void do_graphics_upload(char *filename)
  71 {
  72         StrBuf *Line;
  73         const char *MimeType;
  74         wcsession *WCC = WC;
  75         int bytes_remaining;
  76         int pos = 0;
  77         int thisblock;
  78         bytes_remaining = WCC->upload_length;
  79
  80         if (havebstr("cancel_button")) {
  81                 AppendImportantMessage(_("Graphics upload has been cancelled."), -1);
  82                 display_main_menu();
  83                 return;
  84         }
  85
  86         if (WCC->upload_length == 0) {
  87                 AppendImportantMessage(_("You didn't upload a file."), -1);
  88                 display_main_menu();
  89                 return;
  90         }
  91
  92         MimeType = GuessMimeType(ChrPtr(WCC->upload), bytes_remaining);
  93         serv_printf("UIMG 1|%s|%s", MimeType, filename);
  94
  95         Line = NewStrBuf();
  96         StrBuf_ServGetln(Line);
  97         if (GetServerStatusMsg(Line, NULL, 1, 2) != 2) {
  98                 display_main_menu();
  99                 FreeStrBuf(&Line);
 100                 return;
 101         }
 102         while (bytes_remaining) {
 103                 thisblock = ((bytes_remaining > 4096) ? 4096 : bytes_remaining);
 104                 serv_printf("WRIT %d", thisblock);
 105                 StrBuf_ServGetln(Line);
 106                 if (GetServerStatusMsg(Line, NULL, 1, 7) != 7) {
 107                         serv_puts("UCLS 0");
 108                         StrBuf_ServGetln(Line);
 109                         display_main_menu();
 110                         FreeStrBuf(&Line);
 111                         return;
 112                 }
 113                 thisblock = extract_int(ChrPtr(Line) +4, 0);
 114                 serv_write(&ChrPtr(WCC->upload)[pos], thisblock);
 115                 pos += thisblock;
 116                 bytes_remaining -= thisblock;
 117         }
 118
 119         serv_puts("UCLS 1");
 120         StrBuf_ServGetln(Line);
 121         if (*ChrPtr(Line) != 'x') {
 122                 display_success(ChrPtr(Line) + 4);
 123
 124         }
 125         FreeStrBuf(&Line);
 126
 127 }
 128
 129
 130 void edithellopic(void)    { do_graphics_upload("hello"); }
 131 void editgoodbuyepic(void) { do_graphics_upload("UIMG 1|%s|goodbuye"); }
 132
 133 /* The users photo display / upload facility */
 134 void display_editpic(void) {
 135         putbstr("__WHICHPIC", NewStrBufPlain(HKEY("_userpic_")));
 136         putbstr("__PICDESC", NewStrBufPlain(_("your photo"), -1));
 137         putbstr("__UPLURL", NewStrBufPlain(HKEY("editpic")));
 138         display_graphics_upload("editpic");
 139 }
 140 /* room picture dispay / upload facility */
 141 void display_editroompic(void) {
 142         putbstr("__WHICHPIC", NewStrBufPlain(HKEY("_roompic_")));
 143         putbstr("__PICDESC", NewStrBufPlain(_("the icon for this room"), -1));
 144         putbstr("__UPLURL", NewStrBufPlain(HKEY("editroompic")));
 145         display_graphics_upload("editroompic");
 146 }
 147
 148 /* the greetingpage hello pic */
 149 void display_edithello(void) {
 150         putbstr("__WHICHPIC", NewStrBufPlain(HKEY("hello")));
 151         putbstr("__PICDESC", NewStrBufPlain(_("the Greetingpicture for the login prompt"), -1));
 152         putbstr("__UPLURL", NewStrBufPlain(HKEY("edithellopic")));
 153         display_graphics_upload("edithellopic");
 154 }
 155
 156 /* the logoff banner */
 157 void display_editgoodbyepic(void) {
 158         putbstr("__WHICHPIC", NewStrBufPlain(HKEY("UIMG 0|%s|goodbuye")));
 159         putbstr("__PICDESC", NewStrBufPlain(_("the Logoff banner picture"), -1));
 160         putbstr("__UPLURL", NewStrBufPlain(HKEY("editgoodbuyepic")));
 161         display_graphics_upload("editgoodbuyepic");
 162 }
 163
 164 void editroompic(void) {
 165         char buf[SIZ];
 166         snprintf(buf, SIZ, "_roompic_|%s",
 167                  bstr("which_room"));
 168         do_graphics_upload(buf);
 169 }
 170
 171 void
 172 InitModule_GRAPHICS
 173 (void)
 174 {
 175         WebcitAddUrlHandler(HKEY("display_editpic"), "", 0, display_editpic, 0);
 176         WebcitAddUrlHandler(HKEY("editpic"), "", 0, editpic, 0);
 177         WebcitAddUrlHandler(HKEY("display_editroompic"), "", 0, display_editroompic, 0);
 178         WebcitAddUrlHandler(HKEY("editroompic"), "", 0, editroompic, 0);
 179         WebcitAddUrlHandler(HKEY("display_edithello"), "", 0, display_edithello, 0);
 180         WebcitAddUrlHandler(HKEY("edithellopic"), "", 0, edithellopic, 0);
 181         WebcitAddUrlHandler(HKEY("display_editgoodbuye"), "", 0, display_editgoodbyepic, 0);
 182         WebcitAddUrlHandler(HKEY("editgoodbuyepic"), "", 0, editgoodbuyepic, 0);
 183 }