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Resolve domain names for proxy servers.

Browse Source 
Also use dc_id-checked auth key creation.

Fixes #4695.
This commit is contained in:
John Preston
2018-05-17 22:58:00 +03:00
parent a053384618
commit 4478c0a143
25 changed files with 975 additions and 192 deletions
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Telegram/SourceFiles/mtproto/special_config_request.h
+56 -12
View File
@@ -11,6 +11,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
namespace MTP {
struct ServiceWebRequest;
class SpecialConfigRequest : public QObject {
public:
SpecialConfigRequest(
@@ -30,17 +32,6 @@ private:
Type type;
QString domain;
};
struct Request {
Request(not_null<QNetworkReply*> reply);
Request(Request &&other);
Request &operator=(Request &&other);
~Request();
void destroy();
QPointer<QNetworkReply> reply;
};
void sendNextRequest();
void performRequest(const Attempt &attempt);
@@ -59,7 +50,60 @@ private:
QNetworkAccessManager _manager;
std::vector<Attempt> _attempts;
std::vector<Request> _requests;
std::vector<ServiceWebRequest> _requests;
};
class DomainResolver : public QObject {
public:
DomainResolver(base::lambda<void(
const QString &domain,
const QStringList &ips,
TimeMs expireAt)> callback);
void resolve(const QString &domain);
private:
struct AttemptKey {
QString domain;
bool ipv6 = false;
inline bool operator<(const AttemptKey &other) const {
return (domain < other.domain)
|| (domain == other.domain && !ipv6 && other.ipv6);
}
inline bool operator==(const AttemptKey &other) const {
return (domain == other.domain) && (ipv6 == other.ipv6);
}
};
struct CacheEntry {
QStringList ips;
TimeMs expireAt = 0;
};
void resolve(const AttemptKey &key);
void sendNextRequest(const AttemptKey &key);
void performRequest(const AttemptKey &key, const QString &host);
void checkExpireAndPushResult(const QString &domain);
void requestFinished(
const AttemptKey &key,
not_null<QNetworkReply*> reply);
QByteArray finalizeRequest(
const AttemptKey &key,
not_null<QNetworkReply*> reply);
base::lambda<void(
const QString &domain,
const QStringList &ips,
TimeMs expireAt)> _callback;
QNetworkAccessManager _manager;
std::map<AttemptKey, std::vector<QString>> _attempts;
std::map<AttemptKey, std::vector<ServiceWebRequest>> _requests;
std::map<AttemptKey, CacheEntry> _cache;
TimeMs _lastTimestamp = 0;
};