webcit/graphics.c

   1 /*
   2  * $Id$
   3  *
   4  * Handles HTTP upload of graphics files into the system.
   5  * \ingroup WebcitHttpServer
   6  */
   7
   8 #include "webcit.h"
   9
  10 void display_graphics_upload(char *description, char *filename, char *uplurl)
  11 {
  12         WCTemplputParams SubTP;
  13         StrBuf *Buf;
  14         char buf[SIZ];
  15
  16
  17         snprintf(buf, SIZ, "UIMG 0||%s", filename);
  18         serv_puts(buf);
  19         serv_getln(buf, sizeof buf);
  20         if (buf[0] != '2') {
  21                 strcpy(WC->ImportantMessage, &buf[4]);
  22                 display_main_menu();
  23                 return;
  24         }
  25         output_headers(1, 1, 0, 0, 0, 0);
  26
  27         output_headers(1, 1, 1, 0, 0, 0);
  28
  29         Buf = NewStrBufPlain(_("Image upload"), -1);
  30         memset(&SubTP, 0, sizeof(WCTemplputParams));
  31         SubTP.Filter.ContextType = CTX_STRBUF;
  32         SubTP.Context = Buf;
  33         DoTemplate(HKEY("beginbox"), NULL, &SubTP);
  34
  35         FreeStrBuf(&Buf);
  36
  37         wprintf("<form enctype=\"multipart/form-data\" action=\"%s\" "
  38                 "method=\"post\" name=\"graphicsupload\">\n", uplurl);
  39
  40         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
  41         wprintf("<input type=\"hidden\" name=\"which_room\" value=\"");
  42         urlescputs(bstr("which_room"));
  43         wprintf("\">\n");
  44
  45         wprintf(_("You can upload an image directly from your computer"));
  46         wprintf("<br /><br />\n");
  47
  48         wprintf(_("Please select a file to upload:"));
  49         wprintf("<input type=\"file\" name=\"filename\" size=\"35\">\n");
  50
  51         wprintf("<div class=\"uploadpic\"><img src=\"image&name=%s\"></div>\n", filename);
  52
  53         wprintf("<div class=\"buttons\">");
  54         wprintf("<input type=\"submit\" name=\"upload_button\" value=\"%s\">\n", _("Upload"));
  55         wprintf("&nbsp;");
  56         wprintf("<input type=\"reset\" value=\"%s\">\n", _("Reset form"));
  57         wprintf("&nbsp;");
  58         wprintf("<input type=\"submit\" name=\"cancel_button\" value=\"%s\">\n", _("Cancel"));
  59         wprintf("</div>\n");
  60         wprintf("</form>\n");
  61
  62         do_template("endbox", NULL);
  63
  64         wDumpContent(1);
  65 }
  66
  67 void do_graphics_upload(char *filename)
  68 {
  69         const char *MimeType;
  70         char buf[SIZ];
  71         int bytes_remaining;
  72         int pos = 0;
  73         int thisblock;
  74         bytes_remaining = WC->upload_length;
  75
  76         if (havebstr("cancel_button")) {
  77                 strcpy(WC->ImportantMessage,
  78                         _("Graphics upload has been cancelled."));
  79                 display_main_menu();
  80                 return;
  81         }
  82
  83         if (WC->upload_length == 0) {
  84                 strcpy(WC->ImportantMessage,
  85                         _("You didn't upload a file."));
  86                 display_main_menu();
  87                 return;
  88         }
  89
  90         MimeType = GuessMimeType(&WC->upload[0], bytes_remaining);
  91         snprintf(buf, SIZ, "UIMG 1|%s|%s", MimeType, filename);
  92         serv_puts(buf);
  93
  94         serv_getln(buf, sizeof buf);
  95         if (buf[0] != '2') {
  96                 strcpy(WC->ImportantMessage, &buf[4]);
  97                 display_main_menu();
  98                 return;
  99         }
 100         while (bytes_remaining) {
 101                 thisblock = ((bytes_remaining > 4096) ? 4096 : bytes_remaining);
 102                 serv_printf("WRIT %d", thisblock);
 103                 serv_getln(buf, sizeof buf);
 104                 if (buf[0] != '7') {
 105                         strcpy(WC->ImportantMessage, &buf[4]);
 106                         serv_puts("UCLS 0");
 107                         serv_getln(buf, sizeof buf);
 108                         display_main_menu();
 109                         return;
 110                 }
 111                 thisblock = extract_int(&buf[4], 0);
 112                 serv_write(&WC->upload[pos], thisblock);
 113                 pos = pos + thisblock;
 114                 bytes_remaining = bytes_remaining - thisblock;
 115         }
 116
 117         serv_puts("UCLS 1");
 118         serv_getln(buf, sizeof buf);
 119         if (buf[0] != 'x') {
 120                 display_success(&buf[4]);
 121                 return;
 122         }
 123 }
 124
 125
 126 void edithellopic(void)    { do_graphics_upload("hello"); }
 127 void editpic(void)         { do_graphics_upload("_userpic_"); }
 128 void editgoodbuyepic(void) { do_graphics_upload("UIMG 1|%s|goodbuye"); }
 129
 130 /* The users photo display / upload facility */
 131 void display_editpic(void) {
 132         display_graphics_upload(_("your photo"),
 133                                 "_userpic_",
 134                                 "editpic");
 135 }
 136 /* room picture dispay / upload facility */
 137 void display_editroompic(void) {
 138         display_graphics_upload(_("the icon for this room"),
 139                                 "_roompic_",
 140                                 "editroompic");
 141 }
 142
 143 /* the greetingpage hello pic */
 144 void display_edithello(void) {
 145         display_graphics_upload(_("the Greetingpicture for the login prompt"),
 146                                 "hello",
 147                                 "edithellopic");
 148 }
 149
 150 /* the logoff banner */
 151 void display_editgoodbyepic(void) {
 152         display_graphics_upload(_("the Logoff banner picture"),
 153                                 "UIMG 0|%s|goodbuye",
 154                                 "editgoodbuyepic");
 155 }
 156
 157 void display_editfloorpic(void) {
 158         char buf[SIZ];
 159         snprintf(buf, SIZ, "UIMG 0|_floorpic_|%s",
 160                  bstr("which_floor"));
 161         display_graphics_upload(_("the icon for this floor"),
 162                                 buf,
 163                                 "editfloorpic");
 164 }
 165
 166 void editfloorpic(void){
 167         char buf[SIZ];
 168         snprintf(buf, SIZ, "UIMG 1|_floorpic_|%s",
 169                  bstr("which_floor"));
 170         do_graphics_upload(buf);
 171 }
 172
 173 void
 174 InitModule_GRAPHICS
 175 (void)
 176 {
 177         WebcitAddUrlHandler(HKEY("display_editpic"), display_editpic, 0);
 178         WebcitAddUrlHandler(HKEY("editpic"), editpic, 0);
 179         WebcitAddUrlHandler(HKEY("display_editroompic"), display_editroompic, 0);
 180         WebcitAddUrlHandler(HKEY("display_edithello"), display_edithello, 0);
 181         WebcitAddUrlHandler(HKEY("edithellopic"), edithellopic, 0);
 182         WebcitAddUrlHandler(HKEY("display_editgoodbyepic"), display_editgoodbyepic, 0);
 183         WebcitAddUrlHandler(HKEY("editgoodbuyepic"), editgoodbuyepic, 0);
 184         WebcitAddUrlHandler(HKEY("display_editfloorpic"), display_editfloorpic, 0);
 185         WebcitAddUrlHandler(HKEY("editfloorpic"), editfloorpic, 0);
 186 }