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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/test/webdriver/dispatch.h"
#include <sstream>
#include <string>
#include "base/json/json_writer.h"
#include "chrome/test/webdriver/commands/command.h"
namespace webdriver {
// The standard HTTP Status codes are implemented below. Chrome uses
// OK, See Other, Not Found, Method Not Allowed, and Internal Error.
// Internal Error, HTTP 500, is used as a catch all for any issue
// not covered in the JSON protocol.
void SendHttpOk(struct mg_connection* const connection,
const struct mg_request_info* const request_info,
const Response& response) {
const std::string json = response.ToJSON();
std::ostringstream out;
out << "HTTP/1.1 200 OK\r\n"
<< "Content-Length: " << strlen(json.c_str()) << "\r\n"
<< "Content-Type: application/json; charset=UTF-8\r\n"
<< "Vary: Accept-Charset, Accept-Encoding, Accept-Language, Accept\r\n"
<< "Accept-Ranges: bytes\r\n"
<< "Connection: close\r\n\r\n";
if (strcmp(request_info->request_method, "HEAD") != 0)
out << json << "\r\n";
VLOG(1) << out.str();
mg_printf(connection, "%s", out.str().c_str());
}
void SendHttpSeeOther(struct mg_connection* const connection,
const struct mg_request_info* const request_info,
const Response& response) {
const Value* value = response.value();
CheckValueType(Value::TYPE_STRING, value);
std::string location;
if (!value->GetAsString(&location)) {
NOTREACHED();
}
std::ostringstream out;
out << "HTTP/1.1 303 See Other\r\n"
<< "Location: " << location << "\r\n"
<< "Content-Type: text/html\r\n"
<< "Content-Length: 0\r\n\r\n";
VLOG(1) << out.str();
mg_printf(connection, "%s", out.str().c_str());
}
void SendHttpBadRequest(struct mg_connection* const connection,
const struct mg_request_info* const request_info,
const Response& response) {
const std::string json = response.ToJSON();
std::ostringstream out;
out << "HTTP/1.1 400 Bad Request\r\n"
<< "Content-Length: " << strlen(json.c_str()) << "\r\n"
<< "Content-Type: application/json; charset=UTF-8\r\n"
<< "Vary: Accept-Charset, Accept-Encoding, Accept-Language, Accept\r\n"
<< "Accept-Ranges: bytes\r\n"
<< "Connection: close\r\n\r\n";
if (strcmp(request_info->request_method, "HEAD") != 0)
out << json << "\r\n";
VLOG(1) << out.str();
mg_printf(connection, "%s", out.str().c_str());
}
void SendHttpNotFound(struct mg_connection* const connection,
const struct mg_request_info* const request_info,
const Response& response) {
const std::string json = response.ToJSON();
std::ostringstream out;
out << "HTTP/1.1 404 Not Found\r\n"
<< "Content-Length: " << strlen(json.c_str()) << "\r\n"
<< "Content-Type: application/json; charset=UTF-8\r\n"
<< "Vary: Accept-Charset, Accept-Encoding, Accept-Language, Accept\r\n"
<< "Accept-Ranges: bytes\r\n"
<< "Connection: close\r\n\r\n";
if (strcmp(request_info->request_method, "HEAD") != 0)
out << json << "\r\n";
VLOG(1) << out.str();
mg_printf(connection, "%s", out.str().c_str());
}
void SendHttpMethodNotAllowed(struct mg_connection* const connection,
const struct mg_request_info* const request_info,
const Response& response) {
const Value* value = response.value();
CheckValueType(Value::TYPE_LIST, value);
std::vector<std::string> allowed_methods;
const ListValue* list_value = static_cast<const ListValue*>(value);
for (size_t i = 0; i < list_value->GetSize(); ++i) {
std::string method;
LOG_IF(WARNING, list_value->GetString(i, &method))
<< "Ignoring non-string value at index " << i;
allowed_methods.push_back(method);
}
std::ostringstream out;
out << "HTTP/1.1 405 Method Not Allowed\r\n"
<< "Content-Type: text/html\r\n"
<< "Content-Length: 0\r\n"
<< "Allow: " << JoinString(allowed_methods, ',') << "\r\n\r\n";
VLOG(1) << out.str();
mg_printf(connection, "%s", out.str().c_str());
}
void SendHttpInternalError(struct mg_connection* const connection,
const struct mg_request_info* const request_info,
const Response& response) {
const std::string json = response.ToJSON();
std::ostringstream out;
out << "HTTP/1.1 500 Internal Server Error\r\n"
<< "Content-Length: " << strlen(json.c_str()) << "\r\n"
<< "Content-Type: application/json; charset=UTF-8\r\n"
<< "Vary: Accept-Charset, Accept-Encoding, Accept-Language, Accept\r\n"
<< "Accept-Ranges: bytes\r\n"
<< "Connection: close\r\n\r\n";
if (strcmp(request_info->request_method, "HEAD") != 0)
out << json << "\r\n";
VLOG(1) << out.str();
mg_printf(connection, "%s", out.str().c_str());
}
// For every HTTP request from the mongoode server DispatchCommand will
// inspect the HTTP method call requested and execute the proper function
// mapped from the class Command.
void DispatchCommand(Command* const command, const std::string& method,
Response* response) {
if (command->DoesPost() && method == "POST") {
if (command->Init(response))
command->ExecutePost(response);
} else if (command->DoesGet() && method == "GET") {
if (command->Init(response))
command->ExecuteGet(response);
} else if (command->DoesDelete() && method == "DELETE") {
if (command->Init(response))
command->ExecuteDelete(response);
} else {
ListValue* methods = new ListValue;
if (command->DoesPost())
methods->Append(Value::CreateStringValue("POST"));
if (command->DoesGet()) {
methods->Append(Value::CreateStringValue("GET"));
methods->Append(Value::CreateStringValue("HEAD"));
}
if (command->DoesDelete())
methods->Append(Value::CreateStringValue("DELETE"));
response->set_status(kMethodNotAllowed);
response->set_value(methods); // Assumes ownership.
}
}
void SendResponse(struct mg_connection* const connection,
const struct mg_request_info* const request_info,
const Response& response) {
switch (response.status()) {
case kSuccess:
SendHttpOk(connection, request_info, response);
break;
case kSeeOther:
SendHttpSeeOther(connection, request_info, response);
break;
case kBadRequest:
SendHttpBadRequest(connection, request_info, response);
break;
case kSessionNotFound:
SendHttpNotFound(connection, request_info, response);
break;
case kMethodNotAllowed:
SendHttpMethodNotAllowed(connection, request_info, response);
break;
// All other errors should be treated as generic 500s. The client will be
// responsible for inspecting the message body for details.
case kInternalServerError:
default:
SendHttpInternalError(connection, request_info, response);
break;
}
}
} // namespace webdriver
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