webcit/graphics.c

   1
   2 /*
   3  * Handles HTTP upload of graphics files into the system.
   4  *
   5  * Copyright (c) 1996-2016 by the citadel.org team
   6  *
   7  * This program is open source software.  You can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License, version 3.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include "webcit.h"
  17
  18 extern void output_static(const char *What);
  19
  20
  21 // display the picture (icon, photo, whatever) associated with the current room
  22 void display_roompic(void) {
  23         off_t bytes;
  24         StrBuf *Buf = NewStrBuf();
  25         serv_printf("DLRI");
  26         StrBuf_ServGetln(Buf);
  27         if (GetServerStatus(Buf, NULL) == 6) {
  28                 StrBufCutLeft(Buf, 4);
  29                 bytes = StrBufExtract_long(Buf, 0, '|');
  30                 StrBuf *content_type = NewStrBuf();
  31                 StrBufExtract_token(content_type, Buf, 3, '|');
  32                 WC->WBuf = NewStrBuf();
  33                 StrBuf_ServGetBLOBBuffered(WC->WBuf, bytes);
  34                 http_transmit_thing(ChrPtr(content_type), 0);
  35                 FreeStrBuf(&content_type);
  36         }
  37         else {
  38                 output_error_pic("", "");
  39         }
  40         FreeStrBuf(&Buf);
  41 }
  42
  43
  44 // upload the picture (icon, photo, whatever) associated with the current room
  45 void common_code_for_editroompic_and_editpic(char *servcmd) {
  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("%s %ld|%s", servcmd, (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 // upload the picture (icon, photo, whatever) associated with the current room
  74 void editroompic(void) {
  75         common_code_for_editroompic_and_editpic("ULRI");
  76 }
  77
  78
  79 // upload the picture (icon, photo, whatever) associated with the current user
  80 void editpic(void) {
  81         common_code_for_editroompic_and_editpic("ULUI");
  82 }
  83
  84
  85 // display the screen for uploading graphics to the server
  86 void display_graphics_upload(char *filename) {
  87         StrBuf *Line;
  88
  89         Line = NewStrBuf();
  90         serv_printf("UIMG 0||%s", filename);
  91         StrBuf_ServGetln(Line);
  92         if (GetServerStatusMsg(Line, NULL, 1, 2) != 2) {
  93                 display_main_menu();
  94                 return;
  95         }
  96         else {
  97                 output_headers(1, 0, 0, 0, 1, 0);
  98                 do_template("files_graphicsupload");
  99                 end_burst();
 100         }
 101         FreeStrBuf(&Line);
 102 }
 103
 104
 105 void do_graphics_upload(char *filename) {
 106         StrBuf *Line;
 107         const char *MimeType;
 108         wcsession *WCC = WC;
 109         int bytes_remaining;
 110         int pos = 0;
 111         int thisblock;
 112         bytes_remaining = WCC->upload_length;
 113
 114         if (havebstr("cancel_button")) {
 115                 AppendImportantMessage(_("Graphics upload has been cancelled."), -1);
 116                 display_main_menu();
 117                 return;
 118         }
 119
 120         if (WCC->upload_length == 0) {
 121                 AppendImportantMessage(_("You didn't upload a file."), -1);
 122                 display_main_menu();
 123                 return;
 124         }
 125
 126         MimeType = GuessMimeType(ChrPtr(WCC->upload), bytes_remaining);
 127         serv_printf("UIMG 1|%s|%s", MimeType, filename);
 128
 129         Line = NewStrBuf();
 130         StrBuf_ServGetln(Line);
 131         if (GetServerStatusMsg(Line, NULL, 1, 2) != 2) {
 132                 display_main_menu();
 133                 FreeStrBuf(&Line);
 134                 return;
 135         }
 136         while (bytes_remaining) {
 137                 thisblock = ((bytes_remaining > 4096) ? 4096 : bytes_remaining);
 138                 serv_printf("WRIT %d", thisblock);
 139                 StrBuf_ServGetln(Line);
 140                 if (GetServerStatusMsg(Line, NULL, 1, 7) != 7) {
 141                         serv_puts("UCLS 0");
 142                         StrBuf_ServGetln(Line);
 143                         display_main_menu();
 144                         FreeStrBuf(&Line);
 145                         return;
 146                 }
 147                 thisblock = extract_int(ChrPtr(Line) + 4, 0);
 148                 serv_write(&ChrPtr(WCC->upload)[pos], thisblock);
 149                 pos += thisblock;
 150                 bytes_remaining -= thisblock;
 151         }
 152
 153         serv_puts("UCLS 1");
 154         StrBuf_ServGetln(Line);
 155         if (*ChrPtr(Line) != 'x') {
 156                 display_success(ChrPtr(Line) + 4);
 157
 158         }
 159         FreeStrBuf(&Line);
 160
 161 }
 162
 163
 164 void edithellopic(void) {
 165         do_graphics_upload("hello");
 166 }
 167 void editgoodbuyepic(void) {
 168         do_graphics_upload("UIMG 1|%s|goodbuye");
 169 }
 170
 171 /* The users photo display / upload facility */
 172 void display_editpic(void) {
 173         putbstr("__PICDESC", NewStrBufPlain(_("your photo"), -1));
 174         putbstr("__UPLURL", NewStrBufPlain(HKEY("editpic")));
 175         display_graphics_upload("editpic");
 176 }
 177
 178 /* room picture dispay / upload facility */
 179 void display_editroompic(void) {
 180         putbstr("__PICDESC", NewStrBufPlain(_("the icon for this room"), -1));
 181         putbstr("__UPLURL", NewStrBufPlain(HKEY("editroompic")));
 182         display_graphics_upload("editroompic");
 183 }
 184
 185 /* the greetingpage hello pic */
 186 void display_edithello(void) {
 187         putbstr("__WHICHPIC", NewStrBufPlain(HKEY("hello")));
 188         putbstr("__PICDESC", NewStrBufPlain(_("graphics to be displayed on the login screen"), -1));
 189         putbstr("__UPLURL", NewStrBufPlain(HKEY("edithellopic")));
 190         display_graphics_upload("edithellopic");
 191 }
 192
 193 /* the logoff banner */
 194 void display_editgoodbyepic(void) {
 195         putbstr("__WHICHPIC", NewStrBufPlain(HKEY("UIMG 0|%s|goodbuye")));
 196         putbstr("__PICDESC", NewStrBufPlain(_("the Logoff banner picture"), -1));
 197         putbstr("__UPLURL", NewStrBufPlain(HKEY("editgoodbuyepic")));
 198         display_graphics_upload("editgoodbuyepic");
 199 }
 200
 201
 202 void InitModule_GRAPHICS(void) {
 203         WebcitAddUrlHandler(HKEY("display_editpic"), "", 0, display_editpic, 0);
 204         WebcitAddUrlHandler(HKEY("editpic"), "", 0, editpic, 0);
 205         WebcitAddUrlHandler(HKEY("display_editroompic"), "", 0, display_editroompic, 0);
 206         WebcitAddUrlHandler(HKEY("editroompic"), "", 0, editroompic, 0);
 207         WebcitAddUrlHandler(HKEY("display_edithello"), "", 0, display_edithello, 0);
 208         WebcitAddUrlHandler(HKEY("edithellopic"), "", 0, edithellopic, 0);
 209         WebcitAddUrlHandler(HKEY("display_editgoodbuye"), "", 0, display_editgoodbyepic, 0);
 210         WebcitAddUrlHandler(HKEY("editgoodbuyepic"), "", 0, editgoodbuyepic, 0);
 211         WebcitAddUrlHandler(HKEY("roompic"), "", 0, display_roompic, 0);
 212 }