ceph/src/civetweb/examples/upload/upload.c

   1 /* Copyright (c) 2014 the Civetweb developers
   2  * Copyright (c) 2004-2012 Sergey Lyubka
   3  * This file is a part of civetweb project, http://github.com/bel2125/civetweb
   4  */
   5
   6 /* This example is deprecated and no longer maintained.
   7  * All relevant parts have been merged into the embedded_c example. */
   8
   9
  10 #ifdef _WIN32
  11 #ifndef _CRT_SECURE_NO_WARNINGS
  12 #define _CRT_SECURE_NO_WARNINGS
  13 #endif
  14 #include <windows.h>
  15 #include <io.h>
  16 #define strtoll strtol
  17 typedef __int64 int64_t;
  18 #else
  19 #include <inttypes.h>
  20 #include <unistd.h>
  21 #endif /* !_WIN32 */
  22
  23 #include <stdio.h>
  24 #include <string.h>
  25 #include <fcntl.h>
  26 #include <stdlib.h>
  27
  28 #include "civetweb.h"
  29
  30
  31 /* callback: used to generate all content */
  32 static int begin_request_handler(struct mg_connection *conn)
  33 {
  34     const char * tempPath = ".";
  35 #ifdef _WIN32
  36     const char * env = getenv("TEMP");
  37     if (!env) env = getenv("TMP");
  38     if (env) tempPath = env;
  39 #else
  40     tempPath = "/tmp";
  41 #endif
  42
  43     if (!strcmp(mg_get_request_info(conn)->uri, "/handle_post_request")) {
  44
  45         mg_printf(conn, "%s", "HTTP/1.0 200 OK\r\n\r\n");
  46         mg_upload(conn, tempPath);
  47     } else {
  48         /* Show HTML form. */
  49         /* See http://www.w3.org/TR/html401/interact/forms.html#h-17.13.4.1 */
  50         static const char *html_form =
  51             "<html><body>Upload example."
  52             ""
  53             /* enctype="multipart/form-data" */
  54             "<form method=\"POST\" action=\"/handle_post_request\" "
  55             "  enctype=\"multipart/form-data\">"
  56             "<input type=\"file\" name=\"file\" /> <br/>"
  57             "<input type=\"file\" name=\"file2\" /> <br/>"
  58             "<input type=\"submit\" value=\"Upload\" />"
  59             "</form>"
  60             ""
  61             "</body></html>";
  62
  63         mg_printf(conn, "HTTP/1.0 200 OK\r\n"
  64                   "Content-Length: %d\r\n"
  65                   "Content-Type: text/html\r\n\r\n%s",
  66                   (int) strlen(html_form), html_form);
  67     }
  68
  69     /* Mark request as processed */
  70     return 1;
  71 }
  72
  73
  74 /* callback: called after uploading a file is completed */
  75 static void upload_handler(struct mg_connection *conn, const char *path)
  76 {
  77     mg_printf(conn, "Saved [%s]", path);
  78 }
  79
  80
  81 /* Main program: Set callbacks and start the server.  */
  82 int main(void)
  83 {
  84     /* Test server will use this port */
  85     const char * PORT = "8080";
  86
  87     /* Startup options for the server */
  88     struct mg_context *ctx;
  89     const char *options[] = {
  90         "listening_ports", PORT,
  91         NULL};
  92     struct mg_callbacks callbacks;
  93
  94     memset(&callbacks, 0, sizeof(callbacks));
  95     callbacks.begin_request = begin_request_handler;
  96     callbacks.upload = upload_handler;
  97
  98     /* Display a welcome message */
  99     printf("File upload demo.\n");
 100     printf("Open http://localhost:%s/ in your browser.\n\n", PORT);
 101
 102     /* Start the server */
 103     ctx = mg_start(&callbacks, NULL, options);
 104
 105     /* Wait until thr user hits "enter", then stop the server */
 106     getchar();
 107     mg_stop(ctx);
 108
 109     return 0;
 110 }