| // Copyright 2015 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 "remoting/signaling/jid_util.h" |
| |
| #include <stddef.h> |
| |
| #include "base/strings/string_util.h" |
| |
| namespace remoting { |
| |
| namespace { |
| |
| constexpr char kFtlResourcePrefix[] = "chromoting_ftl_"; |
| constexpr char kGmailDomain[] = "gmail.com"; |
| constexpr char kGooglemailDomain[] = "googlemail.com"; |
| |
| } // namespace |
| |
| std::string NormalizeJid(const std::string& jid) { |
| std::string bare_jid; |
| std::string resource; |
| if (SplitJidResource(jid, &bare_jid, &resource)) { |
| std::string normalized_bare_jid = resource.find(kFtlResourcePrefix) == 0 |
| ? GetCanonicalEmail(bare_jid) |
| : base::ToLowerASCII(bare_jid); |
| return normalized_bare_jid + "/" + resource; |
| } |
| return base::ToLowerASCII(bare_jid); |
| } |
| |
| std::string GetCanonicalEmail(std::string email) { |
| DCHECK(email.find('/') == std::string::npos) |
| << "You seemed to pass in a full JID. You should only pass in an email " |
| << "address."; |
| email = base::ToLowerASCII(email); |
| base::TrimString(email, base::kWhitespaceASCII, &email); |
| |
| size_t at_index = email.find('@'); |
| if (at_index == std::string::npos) { |
| LOG(ERROR) << "Unexpected email address. Character '@' is missing."; |
| return email; |
| } |
| std::string username = email.substr(0, at_index); |
| std::string domain = email.substr(at_index + 1); |
| |
| if (domain == kGmailDomain || domain == kGooglemailDomain) { |
| // GMail/GoogleMail domains ignore dots, whereas other domains may not. |
| base::RemoveChars(username, ".", &username); |
| return username + '@' + kGmailDomain; |
| } |
| |
| return email; |
| } |
| |
| bool SplitJidResource(const std::string& full_jid, |
| std::string* bare_jid, |
| std::string* resource) { |
| size_t slash_index = full_jid.find('/'); |
| if (slash_index == std::string::npos) { |
| if (bare_jid) { |
| *bare_jid = full_jid; |
| } |
| if (resource) { |
| resource->clear(); |
| } |
| return false; |
| } |
| |
| if (bare_jid) { |
| *bare_jid = full_jid.substr(0, slash_index); |
| } |
| if (resource) { |
| *resource = full_jid.substr(slash_index + 1); |
| } |
| return true; |
| } |
| |
| } // namespace remoting |