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
  21 void display_roompic(void) {
  22         off_t bytes;
  23         StrBuf *Buf = NewStrBuf();
  24         serv_printf("DLRI");
  25         StrBuf_ServGetln(Buf);
  26         if (GetServerStatus(Buf, NULL) == 6) {
  27                 StrBufCutLeft(Buf, 4);
  28                 bytes = StrBufExtract_long(Buf, 0, '|');
  29                 StrBuf *content_type = NewStrBuf();
  30                 StrBufExtract_token(content_type, Buf, 3, '|');
  31                 WC->WBuf = NewStrBuf();
  32                 StrBuf_ServGetBLOBBuffered(WC->WBuf, bytes);
  33                 http_transmit_thing(ChrPtr(content_type), 0);
  34                 FreeStrBuf(&content_type);
  35         }
  36         else {
  37                 output_error_pic("", "");
  38         }
  39         FreeStrBuf(&Buf);
  40 }
  41
  42
  43 // upload your photo
  44 void editpic(void)
  45 {
  46         if (havebstr("cancel_button")) {
  47                 AppendImportantMessage(_("Graphics upload has been cancelled."), -1);
  48                 display_main_menu();
  49                 return;
  50         }
  51
  52         if (WC->upload_length == 0) {
  53                 AppendImportantMessage(_("You didn't upload a file."), -1);
  54                 display_main_menu();
  55                 return;
  56         }
  57
  58         serv_printf("ULUI %ld|%s", (long)WC->upload_length, GuessMimeType(ChrPtr(WC->upload), WC->upload_length));
  59         StrBuf *Line = NewStrBuf();
  60         StrBuf_ServGetln(Line);
  61         if (GetServerStatusMsg(Line, NULL, 0, 0) == 7) {
  62                 serv_write(ChrPtr(WC->upload), WC->upload_length);
  63                 display_success(ChrPtr(Line) + 4);
  64         }
  65         else {
  66                 AppendImportantMessage((ChrPtr(Line) + 4), -1);
  67                 display_main_menu();
  68         }
  69         FreeStrBuf(&Line);
  70 }
  71
  72
  73 void display_graphics_upload(char *filename)
  74 {
  75         StrBuf *Line;
  76
  77         Line = NewStrBuf();
  78         serv_printf("UIMG 0||%s", filename);
  79         StrBuf_ServGetln(Line);
  80         if (GetServerStatusMsg(Line, NULL, 1, 2) != 2) {
  81                 display_main_menu();
  82                 return;
  83         }
  84         else
  85         {
  86                 output_headers(1, 0, 0, 0, 1, 0);
  87                 do_template("files_graphicsupload");
  88                 end_burst();
  89         }
  90         FreeStrBuf(&Line);
  91 }
  92
  93 void do_graphics_upload(char *filename)
  94 {
  95         StrBuf *Line;
  96         const char *MimeType;
  97         wcsession *WCC = WC;
  98         int bytes_remaining;
  99         int pos = 0;
 100         int thisblock;
 101         bytes_remaining = WCC->upload_length;
 102
 103         if (havebstr("cancel_button")) {
 104                 AppendImportantMessage(_("Graphics upload has been cancelled."), -1);
 105                 display_main_menu();
 106                 return;
 107         }
 108
 109         if (WCC->upload_length == 0) {
 110                 AppendImportantMessage(_("You didn't upload a file."), -1);
 111                 display_main_menu();
 112                 return;
 113         }
 114
 115         MimeType = GuessMimeType(ChrPtr(WCC->upload), bytes_remaining);
 116         serv_printf("UIMG 1|%s|%s", MimeType, filename);
 117
 118         Line = NewStrBuf();
 119         StrBuf_ServGetln(Line);
 120         if (GetServerStatusMsg(Line, NULL, 1, 2) != 2) {
 121                 display_main_menu();
 122                 FreeStrBuf(&Line);
 123                 return;
 124         }
 125         while (bytes_remaining) {
 126                 thisblock = ((bytes_remaining > 4096) ? 4096 : bytes_remaining);
 127                 serv_printf("WRIT %d", thisblock);
 128                 StrBuf_ServGetln(Line);
 129                 if (GetServerStatusMsg(Line, NULL, 1, 7) != 7) {
 130                         serv_puts("UCLS 0");
 131                         StrBuf_ServGetln(Line);
 132                         display_main_menu();
 133                         FreeStrBuf(&Line);
 134                         return;
 135                 }
 136                 thisblock = extract_int(ChrPtr(Line) +4, 0);
 137                 serv_write(&ChrPtr(WCC->upload)[pos], thisblock);
 138                 pos += thisblock;
 139                 bytes_remaining -= thisblock;
 140         }
 141
 142         serv_puts("UCLS 1");
 143         StrBuf_ServGetln(Line);
 144         if (*ChrPtr(Line) != 'x') {
 145                 display_success(ChrPtr(Line) + 4);
 146
 147         }
 148         FreeStrBuf(&Line);
 149
 150 }
 151
 152
 153 void edithellopic(void)    { do_graphics_upload("hello"); }
 154 void editgoodbuyepic(void) { do_graphics_upload("UIMG 1|%s|goodbuye"); }
 155
 156 /* The users photo display / upload facility */
 157 void display_editpic(void) {
 158         putbstr("__WHICHPIC", NewStrBufPlain(HKEY("_userpic_")));
 159         putbstr("__PICDESC", NewStrBufPlain(_("your photo"), -1));
 160         putbstr("__UPLURL", NewStrBufPlain(HKEY("editpic")));
 161         display_graphics_upload("editpic");
 162 }
 163 /* room picture dispay / upload facility */
 164 void display_editroompic(void) {
 165         putbstr("__WHICHPIC", NewStrBufPlain(HKEY("_roompic_")));
 166         putbstr("__PICDESC", NewStrBufPlain(_("the icon for this room"), -1));
 167         putbstr("__UPLURL", NewStrBufPlain(HKEY("editroompic")));
 168         display_graphics_upload("editroompic");
 169 }
 170
 171 /* the greetingpage hello pic */
 172 void display_edithello(void) {
 173         putbstr("__WHICHPIC", NewStrBufPlain(HKEY("hello")));
 174         putbstr("__PICDESC", NewStrBufPlain(_("the Greetingpicture for the login prompt"), -1));
 175         putbstr("__UPLURL", NewStrBufPlain(HKEY("edithellopic")));
 176         display_graphics_upload("edithellopic");
 177 }
 178
 179 /* the logoff banner */
 180 void display_editgoodbyepic(void) {
 181         putbstr("__WHICHPIC", NewStrBufPlain(HKEY("UIMG 0|%s|goodbuye")));
 182         putbstr("__PICDESC", NewStrBufPlain(_("the Logoff banner picture"), -1));
 183         putbstr("__UPLURL", NewStrBufPlain(HKEY("editgoodbuyepic")));
 184         display_graphics_upload("editgoodbuyepic");
 185 }
 186
 187 void editroompic(void) {
 188         char buf[SIZ];
 189         snprintf(buf, SIZ, "_roompic_|%s",
 190                  bstr("which_room"));
 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("roompic"), "", 0, display_roompic, 0);
 207 }