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         char buf[SIZ];
  13
  14
  15         snprintf(buf, SIZ, "UIMG 0||%s", filename);
  16         serv_puts(buf);
  17         serv_getln(buf, sizeof buf);
  18         if (buf[0] != '2') {
  19                 strcpy(WC->ImportantMessage, &buf[4]);
  20                 display_main_menu();
  21                 return;
  22         }
  23         output_headers(1, 1, 0, 0, 0, 0);
  24
  25         output_headers(1, 1, 1, 0, 0, 0);
  26
  27         svput("BOXTITLE", WCS_STRING, _("Image upload"));
  28         do_template("beginbox");
  29
  30         wprintf("<form enctype=\"multipart/form-data\" action=\"%s\" "
  31                 "method=\"post\" name=\"graphicsupload\">\n", uplurl);
  32
  33         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%ld\">\n", WC->nonce);
  34         wprintf("<input type=\"hidden\" name=\"which_room\" value=\"");
  35         urlescputs(bstr("which_room"));
  36         wprintf("\">\n");
  37
  38         wprintf(_("You can upload an image directly from your computer"));
  39         wprintf("<br /><br />\n");
  40
  41         wprintf(_("Please select a file to upload:"));
  42         wprintf("<input type=\"file\" name=\"filename\" size=\"35\">\n");
  43
  44         wprintf("<div class=\"uploadpic\"><img src=\"image&name=%s\"></div>\n", filename);
  45
  46         wprintf("<div class=\"buttons\">");
  47         wprintf("<input type=\"submit\" name=\"upload_button\" value=\"%s\">\n", _("Upload"));
  48         wprintf("&nbsp;");
  49         wprintf("<input type=\"reset\" value=\"%s\">\n", _("Reset form"));
  50         wprintf("&nbsp;");
  51         wprintf("<input type=\"submit\" name=\"cancel_button\" value=\"%s\">\n", _("Cancel"));
  52         wprintf("</div>\n");
  53         wprintf("</form>\n");
  54
  55         do_template("endbox");
  56
  57         wDumpContent(1);
  58 }
  59
  60 void do_graphics_upload(char *filename)
  61 {
  62         const char *MimeType;
  63         char buf[SIZ];
  64         int bytes_remaining;
  65         int pos = 0;
  66         int thisblock;
  67         bytes_remaining = WC->upload_length;
  68
  69         if (havebstr("cancel_button")) {
  70                 strcpy(WC->ImportantMessage,
  71                         _("Graphics upload has been cancelled."));
  72                 display_main_menu();
  73                 return;
  74         }
  75
  76         if (WC->upload_length == 0) {
  77                 strcpy(WC->ImportantMessage,
  78                         _("You didn't upload a file."));
  79                 display_main_menu();
  80                 return;
  81         }
  82
  83         MimeType = GuessMimeType(&WC->upload[0], bytes_remaining);
  84         snprintf(buf, SIZ, "UIMG 1|%s|%s", MimeType, filename);
  85         serv_puts(buf);
  86
  87         serv_getln(buf, sizeof buf);
  88         if (buf[0] != '2') {
  89                 strcpy(WC->ImportantMessage, &buf[4]);
  90                 display_main_menu();
  91                 return;
  92         }
  93         while (bytes_remaining) {
  94                 thisblock = ((bytes_remaining > 4096) ? 4096 : bytes_remaining);
  95                 serv_printf("WRIT %d", thisblock);
  96                 serv_getln(buf, sizeof buf);
  97                 if (buf[0] != '7') {
  98                         strcpy(WC->ImportantMessage, &buf[4]);
  99                         serv_puts("UCLS 0");
 100                         serv_getln(buf, sizeof buf);
 101                         display_main_menu();
 102                         return;
 103                 }
 104                 thisblock = extract_int(&buf[4], 0);
 105                 serv_write(&WC->upload[pos], thisblock);
 106                 pos = pos + thisblock;
 107                 bytes_remaining = bytes_remaining - thisblock;
 108         }
 109
 110         serv_puts("UCLS 1");
 111         serv_getln(buf, sizeof buf);
 112         if (buf[0] != 'x') {
 113                 display_success(&buf[4]);
 114                 return;
 115         }
 116 }