1 /*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "Response.h"
9
10 #include "Request.h"
11
12 #include "SkCommandLineFlags.h"
13 #include "SkData.h"
14 #include "SkString.h"
15
16 #include "microhttpd.h"
17
18 DEFINE_string(source, "https://debugger-assets.skia.org", "Where to load the web UI from.");
19
generate_template(SkString source)20 static SkString generate_template(SkString source) {
21 SkString debuggerTemplate;
22 debuggerTemplate.appendf(
23 "<!DOCTYPE html>\n"
24 "<html>\n"
25 "<head>\n"
26 " <title>SkDebugger</title>\n"
27 " <meta charset='utf-8' />\n"
28 " <meta http-equiv='X-UA-Compatible' content='IE=egde,chrome=1'>\n"
29 " <meta name='viewport' content='width=device-width, initial-scale=1.0'>\n"
30 " <script src='%s/res/js/core.js' type='text/javascript' charset='utf-8'></script>\n"
31 " <link href='%s/res/vul/elements.html' rel='import' />\n"
32 " <link rel='shortcut icon' href='%s/res/img/favicon.ico' type='image/x-icon'/ >"
33 "</head>\n"
34 "<body class='fullbleed layout vertical'>\n"
35 " <debugger-app-sk>This is the app."
36 " </debugger-app-sk>\n"
37 "</body>\n"
38 "</html>", source.c_str(), source.c_str(), source.c_str());
39 return debuggerTemplate;
40 }
41
42 namespace Response {
43 // SendOK just sends an empty response with a 200 OK status code.
SendOK(MHD_Connection * connection)44 int SendOK(MHD_Connection* connection) {
45 const char* data = "";
46
47 MHD_Response* response = MHD_create_response_from_buffer(strlen(data),
48 (void*)data,
49 MHD_RESPMEM_PERSISTENT);
50 int ret = MHD_queue_response(connection, 200, response);
51 MHD_destroy_response(response);
52 return ret;
53 }
54
SendError(MHD_Connection * connection,const char * msg)55 int SendError(MHD_Connection* connection, const char* msg) {
56 MHD_Response* response = MHD_create_response_from_buffer(strlen(msg),
57 (void*) msg,
58 MHD_RESPMEM_PERSISTENT);
59 int ret = MHD_queue_response(connection, 500, response);
60 MHD_destroy_response(response);
61 return ret;
62 }
63
SendData(MHD_Connection * connection,const SkData * data,const char * type,bool setContentDisposition,const char * dispositionString)64 int SendData(MHD_Connection* connection, const SkData* data, const char* type,
65 bool setContentDisposition, const char* dispositionString) {
66 MHD_Response* response = MHD_create_response_from_buffer(data->size(),
67 const_cast<void*>(data->data()),
68 MHD_RESPMEM_MUST_COPY);
69 MHD_add_response_header(response, "Content-Type", type);
70
71 if (setContentDisposition) {
72 MHD_add_response_header(response, "Content-Disposition", dispositionString);
73 }
74
75 int ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
76 MHD_destroy_response(response);
77 return ret;
78 }
79
SendTemplate(MHD_Connection * connection,bool redirect,const char * redirectUrl)80 int SendTemplate(MHD_Connection* connection, bool redirect, const char* redirectUrl) {
81 SkString debuggerTemplate = generate_template(SkString(FLAGS_source[0]));
82
83 MHD_Response* response = MHD_create_response_from_buffer(
84 debuggerTemplate.size(),
85 (void*) const_cast<char*>(debuggerTemplate.c_str()),
86 MHD_RESPMEM_MUST_COPY);
87 MHD_add_response_header (response, "Access-Control-Allow-Origin", "*");
88
89 int status = MHD_HTTP_OK;
90
91 if (redirect) {
92 MHD_add_response_header (response, "Location", redirectUrl);
93 status = MHD_HTTP_SEE_OTHER;
94 }
95
96 int ret = MHD_queue_response(connection, status, response);
97 MHD_destroy_response(response);
98 return ret;
99 }
100
101 } // namespace Response
102