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