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// Copyright (c) 2012 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/common/cloud_print/cloud_print_helpers.h"
#include <stdint.h>
#include <limits>
#include <memory>
#include <utility>
#include "base/hash/md5.h"
#include "base/json/json_reader.h"
#include "base/logging.h"
#include "base/strings/stringprintf.h"
#include "base/system/sys_info.h"
#include "base/values.h"
#include "chrome/common/channel_info.h"
#include "chrome/common/cloud_print/cloud_print_constants.h"
#include "net/base/mime_util.h"
#include "url/gurl.h"
namespace cloud_print {
namespace {
// Returns printer tags generated from |printer_tags| and the default tags
// required by cloud print server.
PrinterTags PreparePrinterTags(const PrinterTags& printer_tags) {
PrinterTags printer_tags_out = printer_tags;
printer_tags_out[kChromeVersionTagName] = chrome::GetVersionString();
printer_tags_out[kSystemNameTagName] =
base::SysInfo::OperatingSystemName();
printer_tags_out[kSystemVersionTagName] =
base::SysInfo::OperatingSystemVersion();
return printer_tags_out;
}
// Returns the hash of |printer_tags|.
std::string HashPrinterTags(const PrinterTags& printer_tags) {
std::string values_list;
PrinterTags::const_iterator it;
for (it = printer_tags.begin(); it != printer_tags.end(); ++it) {
values_list.append(it->first);
values_list.append(it->second);
}
return base::MD5String(values_list);
}
} // namespace
std::string AppendPathToUrl(const GURL& url, const std::string& path) {
DCHECK_NE(path[0], '/');
std::string ret = url.path();
if (url.has_path() && (ret.back() != '/'))
ret += '/';
ret += path;
return ret;
}
GURL GetUrlForSearch(const GURL& cloud_print_server_url) {
std::string path(AppendPathToUrl(cloud_print_server_url, "search"));
GURL::Replacements replacements;
replacements.SetPathStr(path);
return cloud_print_server_url.ReplaceComponents(replacements);
}
GURL GetUrlForSubmit(const GURL& cloud_print_server_url) {
std::string path(AppendPathToUrl(cloud_print_server_url, "submit"));
GURL::Replacements replacements;
replacements.SetPathStr(path);
return cloud_print_server_url.ReplaceComponents(replacements);
}
GURL GetUrlForPrinterList(const GURL& cloud_print_server_url,
const std::string& proxy_id) {
std::string path(AppendPathToUrl(cloud_print_server_url, "list"));
GURL::Replacements replacements;
replacements.SetPathStr(path);
std::string query = base::StringPrintf("proxy=%s", proxy_id.c_str());
replacements.SetQueryStr(query);
return cloud_print_server_url.ReplaceComponents(replacements);
}
GURL GetUrlForPrinterRegistration(const GURL& cloud_print_server_url) {
std::string path(AppendPathToUrl(cloud_print_server_url, "register"));
GURL::Replacements replacements;
replacements.SetPathStr(path);
return cloud_print_server_url.ReplaceComponents(replacements);
}
GURL GetUrlForPrinterUpdate(const GURL& cloud_print_server_url,
const std::string& printer_id) {
std::string path(AppendPathToUrl(cloud_print_server_url, "update"));
GURL::Replacements replacements;
replacements.SetPathStr(path);
std::string query = base::StringPrintf("printerid=%s", printer_id.c_str());
replacements.SetQueryStr(query);
return cloud_print_server_url.ReplaceComponents(replacements);
}
GURL GetUrlForPrinterDelete(const GURL& cloud_print_server_url,
const std::string& printer_id,
const std::string& reason) {
std::string path(AppendPathToUrl(cloud_print_server_url, "delete"));
GURL::Replacements replacements;
replacements.SetPathStr(path);
std::string query = base::StringPrintf(
"printerid=%s&reason=%s", printer_id.c_str(), reason.c_str());
replacements.SetQueryStr(query);
return cloud_print_server_url.ReplaceComponents(replacements);
}
GURL GetUrlForJobFetch(const GURL& cloud_print_server_url,
const std::string& printer_id,
const std::string& reason) {
std::string path(AppendPathToUrl(cloud_print_server_url, "fetch"));
GURL::Replacements replacements;
replacements.SetPathStr(path);
std::string query = base::StringPrintf(
"printerid=%s&deb=%s", printer_id.c_str(), reason.c_str());
replacements.SetQueryStr(query);
return cloud_print_server_url.ReplaceComponents(replacements);
}
GURL GetUrlForJobCjt(const GURL& cloud_print_server_url,
const std::string& job_id,
const std::string& reason) {
std::string path(AppendPathToUrl(cloud_print_server_url, "ticket"));
GURL::Replacements replacements;
replacements.SetPathStr(path);
std::string query = base::StringPrintf(
"jobid=%s&deb=%s&use_cjt=true", job_id.c_str(), reason.c_str());
replacements.SetQueryStr(query);
return cloud_print_server_url.ReplaceComponents(replacements);
}
GURL GetUrlForJobDelete(const GURL& cloud_print_server_url,
const std::string& job_id) {
std::string path(AppendPathToUrl(cloud_print_server_url, "deletejob"));
GURL::Replacements replacements;
replacements.SetPathStr(path);
std::string query = base::StringPrintf("jobid=%s", job_id.c_str());
replacements.SetQueryStr(query);
return cloud_print_server_url.ReplaceComponents(replacements);
}
GURL GetUrlForJobStatusUpdate(const GURL& cloud_print_server_url,
const std::string& job_id,
const std::string& status_string,
int connector_code) {
std::string path(AppendPathToUrl(cloud_print_server_url, "control"));
GURL::Replacements replacements;
replacements.SetPathStr(path);
std::string query = base::StringPrintf(
"jobid=%s&status=%s&connector_code=%d", job_id.c_str(),
status_string.c_str(), connector_code);
replacements.SetQueryStr(query);
return cloud_print_server_url.ReplaceComponents(replacements);
}
GURL GetUrlForUserMessage(const GURL& cloud_print_server_url,
const std::string& message_id) {
std::string path(AppendPathToUrl(cloud_print_server_url, "message"));
GURL::Replacements replacements;
replacements.SetPathStr(path);
std::string query = base::StringPrintf("code=%s", message_id.c_str());
replacements.SetQueryStr(query);
return cloud_print_server_url.ReplaceComponents(replacements);
}
GURL GetUrlForGetAuthCode(const GURL& cloud_print_server_url,
const std::string& oauth_client_id,
const std::string& proxy_id) {
// We use the internal API "createrobot" instead of "getauthcode". This API
// will add the robot as owner to all the existing printers for this user.
std::string path(AppendPathToUrl(cloud_print_server_url, "createrobot"));
GURL::Replacements replacements;
replacements.SetPathStr(path);
std::string query = base::StringPrintf("oauth_client_id=%s&proxy=%s",
oauth_client_id.c_str(),
proxy_id.c_str());
replacements.SetQueryStr(query);
return cloud_print_server_url.ReplaceComponents(replacements);
}
base::Value ParseResponseJSON(const std::string& response_data,
bool* succeeded) {
base::Optional<base::Value> message_value =
base::JSONReader::Read(response_data);
if (!message_value || !message_value->is_dict())
return base::Value();
*succeeded = message_value->FindBoolKey(kSuccessValue).value_or(false);
return std::move(*message_value);
}
std::string GetMultipartMimeType(const std::string& mime_boundary) {
return std::string("multipart/form-data; boundary=") + mime_boundary;
}
std::string GetHashOfPrinterTags(const PrinterTags& printer_tags) {
return HashPrinterTags(PreparePrinterTags(printer_tags));
}
std::string GetPostDataForPrinterTags(
const PrinterTags& printer_tags,
const std::string& mime_boundary,
const std::string& proxy_tag_prefix,
const std::string& tags_hash_tag_name) {
PrinterTags printer_tags_prepared = PreparePrinterTags(printer_tags);
std::string post_data;
for (PrinterTags::const_iterator it = printer_tags_prepared.begin();
it != printer_tags_prepared.end(); ++it) {
// TODO(gene) Escape '=' char from name. Warning for now.
if (it->first.find('=') != std::string::npos) {
LOG(WARNING) <<
"CP_PROXY: Printer option name contains '=' character";
NOTREACHED();
}
// All our tags have a special prefix to identify them as such.
std::string msg = base::StringPrintf("%s%s=%s",
proxy_tag_prefix.c_str(), it->first.c_str(), it->second.c_str());
net::AddMultipartValueForUpload(kPrinterTagValue, msg, mime_boundary,
std::string(), &post_data);
}
std::string tags_hash_msg = base::StringPrintf("%s=%s",
tags_hash_tag_name.c_str(),
HashPrinterTags(printer_tags_prepared).c_str());
net::AddMultipartValueForUpload(kPrinterTagValue, tags_hash_msg,
mime_boundary, std::string(), &post_data);
return post_data;
}
std::string GetCloudPrintAuthHeader(const std::string& auth_token) {
return base::StringPrintf("Authorization: OAuth %s", auth_token.c_str());
}
} // namespace cloud_print
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