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comparison ui/downloader.h @ 45:c6125d73faf4

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Move SSLConnection into it's own class
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 14 Mar 2014 16:40:53 +0000
parents d8e93fa1fc93
children 09cd242d8443
comparison
equal deleted inserted replaced
44:b3e8e047bc2c 45:c6125d73faf4
5 * @brief High level API to download necessary data. 5 * @brief High level API to download necessary data.
6 * 6 *
7 */ 7 */
8 8
9 #include <QThread> 9 #include <QThread>
10 #include <QDateTime>
10 #include <QString> 11 #include <QString>
11 #include <QByteArray> 12 #include <QByteArray>
12 #include <QDateTime>
13 #include <QUrl>
14 13
15 #include <polarssl/x509_crt.h> 14 #include "sslconnection.h"
16 #include <polarssl/entropy.h>
17 #include <polarssl/ctr_drbg.h>
18 #include <polarssl/ssl.h>
19 15
20 class Downloader: public QThread 16 class Downloader: public QThread
21 { 17 {
22 Q_OBJECT 18 Q_OBJECT
23 19
36 * @param[in] parent the parent object. 32 * @param[in] parent the parent object.
37 * @param[in] url the Url to download data from 33 * @param[in] url the Url to download data from
38 * @param[in] certificate optional certificate to validate https connection 34 * @param[in] certificate optional certificate to validate https connection
39 * @param[in] newestSW datetime after which software should be downloaded 35 * @param[in] newestSW datetime after which software should be downloaded
40 * @param[in] newestList datetime after which the list should be downloaded 36 * @param[in] newestList datetime after which the list should be downloaded
37 * @param[in] resourceSW the path where the software is to be found
38 * @param[in] resourceList the path where the list is to be found
41 */ 39 */
42 Downloader(QObject* parent, const QString& url, 40 Downloader(QObject* parent, const QString& url,
43 const QByteArray& certificate = QByteArray(), 41 const QByteArray& certificate = QByteArray(),
44 const QDateTime& newestSW = QDateTime(), 42 const QDateTime& newestSW = QDateTime(),
45 const QDateTime& newestList = QDateTime()); 43 const QDateTime& newestList = QDateTime(),
44 const QString& resourceSW = QString(),
45 const QString& resourceList = QString());
46 46
47 ~Downloader(); 47 ~Downloader();
48
49 enum ErrorCode {
50 NoError,
51 NoConnection,
52 SSLHandshakeFailed,
53 InvalidCertificate,
54 InvalidPinnedCertificate,
55 InvalidResponse,
56 ConnectionLost,
57 Timeout,
58 ErrUnknown
59 };
60 48
61 /** 49 /**
62 * @brief get the directory where the downloader saves data 50 * @brief get the directory where the downloader saves data
63 * 51 *
64 * If the directory does not exist this function ensures that it 52 * If the directory does not exist this function ensures that it
71 /** 59 /**
72 * @brief get the current error state 60 * @brief get the current error state
73 * 61 *
74 * @returns The current error state. 62 * @returns The current error state.
75 **/ 63 **/
76 ErrorCode getErrorState(); 64 SSLConnection::ErrorCode getErrorState();
77 65
78 protected: 66 protected:
79 void run(); 67 void run();
80 68
81 private: 69 private:
82 QUrl mUrl;
83 QByteArray mPinnedCert;
84 x509_crt mX509PinnedCert;
85 entropy_context mEntropy;
86 ctr_drbg_context mCtr_drbg;
87 ssl_context mSSL;
88
89 QDateTime mLastModSW; 70 QDateTime mLastModSW;
90 QDateTime mLastModList; 71 QDateTime mLastModList;
91 72
92 /* Convienience to avoid having to parse all 73 QString mResourceSW;
93 * PolarSSL errors */ 74 QString mResourceList;
94 ErrorCode mErrorState;
95 75
96 bool mInitialized; 76 SSLConnection mSSLConnection;
97 bool mConnectionEstablished;
98
99 int mServerFD;
100
101
102 /* @brief: Initialize polarssl structures
103 *
104 * This wraps polarssl initialization functions
105 * that can return an error.
106 * Sets the error state accordingly.
107 *
108 * @returns: 0 on success a polarssl error otherwise.
109 */
110 int init();
111
112 /** @brief: Establish the ssl connection
113 *
114 * Modifies the error state. Before calling this the mServerFD should
115 * be set to a valid socket.
116 *
117 * @returns 0 on success otherwise a polarssl error or -1 is returned
118 */
119 int establishSSLConnection();
120 77
121 /** @brief get the last modified header of a resource. 78 /** @brief get the last modified header of a resource.
122 * 79 *
123 * Connection should be established beforehand. 80 * Connection should be established beforehand.
124 * Modifies the error state. 81 * Modifies the error state.
168 * @brief An error happened 125 * @brief An error happened
169 * 126 *
170 * @param[out] message: A message to show. Can be empty. 127 * @param[out] message: A message to show. Can be empty.
171 * @param[out] errorCode: ErrorCode of this error. 128 * @param[out] errorCode: ErrorCode of this error.
172 */ 129 */
173 void error(const QString &message, Downloader::ErrorCode error); 130 void error(const QString &message, SSLConnection::ErrorCode error);
174 }; 131 };
175 #endif 132 #endif
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