Mercurial > trustbridge

annotate ui/downloader.h @ 404:17e1c8f37d72

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add License
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 16 Apr 2014 13:28:44 +0000
parents 09cd242d8443
children f8bed9008362
rev   line source
404
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 54
diff changeset
1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 54
diff changeset
2 * Software engineering by Intevation GmbH
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 54
diff changeset
3 *
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 54
diff changeset
4 * This file is Free Software under the GNU GPL (v>=2)
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 54
diff changeset
5 * and comes with ABSOLUTELY NO WARRANTY!
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 54
diff changeset
6 * See LICENSE.txt for details.
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 54
diff changeset
7 */
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
8 #ifndef DOWNLOADER_H
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
9 #define DOWNLOADER_H
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
10 /**
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
11 * @file downloader.h
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
12 * @brief High level API to download necessary data.
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
13 *
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
14 */
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
15
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
16 #include <QThread>
45
c6125d73faf4 Move SSLConnection into it's own class
Andre Heinecke <aheinecke@intevation.de>
parents: 32
diff changeset
17 #include <QDateTime>
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
18 #include <QString>
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
19 #include <QByteArray>
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
20
45
c6125d73faf4 Move SSLConnection into it's own class
Andre Heinecke <aheinecke@intevation.de>
parents: 32
diff changeset
21 #include "sslconnection.h"
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
22
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
23 class Downloader: public QThread
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
24 {
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
25 Q_OBJECT
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
26
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
27 public:
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
28 /**
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
29 * @brief Construct a downloader with a specific certificate
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
30 *
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
31 * The downloader will check the last-modified date of the
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
32 * certificate list / sw on the server at the specified url
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
33 * and download those accordingly. If newestSW or newestList is
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
34 * are valid datetimes only files modified after the respective date
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
35 * are downloaded.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
36 *
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
37 * Downloaded files are placed in QStandardPaths::DataLocation
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
38 *
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
39 * @param[in] parent the parent object.
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
40 * @param[in] url the Url to download data from
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
41 * @param[in] certificate optional certificate to validate https connection
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
42 * @param[in] newestSW datetime after which software should be downloaded
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
43 * @param[in] newestList datetime after which the list should be downloaded
45
c6125d73faf4 Move SSLConnection into it's own class
Andre Heinecke <aheinecke@intevation.de>
parents: 32
diff changeset
44 * @param[in] resourceSW the path where the software is to be found
c6125d73faf4 Move SSLConnection into it's own class
Andre Heinecke <aheinecke@intevation.de>
parents: 32
diff changeset
45 * @param[in] resourceList the path where the list is to be found
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
46 */
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
47 Downloader(QObject* parent, const QString& url,
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
48 const QByteArray& certificate = QByteArray(),
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
49 const QDateTime& newestSW = QDateTime(),
45
c6125d73faf4 Move SSLConnection into it's own class
Andre Heinecke <aheinecke@intevation.de>
parents: 32
diff changeset
50 const QDateTime& newestList = QDateTime(),
c6125d73faf4 Move SSLConnection into it's own class
Andre Heinecke <aheinecke@intevation.de>
parents: 32
diff changeset
51 const QString& resourceSW = QString(),
c6125d73faf4 Move SSLConnection into it's own class
Andre Heinecke <aheinecke@intevation.de>
parents: 32
diff changeset
52 const QString& resourceList = QString());
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
53
27
62cd56cea09b Start on polarssl Downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 15
diff changeset
54 ~Downloader();
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
55
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
56 /**
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
57 * @brief get the directory where the downloader saves data
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
58 *
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
59 * If the directory does not exist this function ensures that it
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
60 * is created.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
61 *
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
62 * @returns The directory in which downloaded files are placed.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
63 **/
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
64 QString getDataDirectory();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
65
27
62cd56cea09b Start on polarssl Downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 15
diff changeset
66 /**
62cd56cea09b Start on polarssl Downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 15
diff changeset
67 * @brief get the current error state
62cd56cea09b Start on polarssl Downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 15
diff changeset
68 *
62cd56cea09b Start on polarssl Downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 15
diff changeset
69 * @returns The current error state.
62cd56cea09b Start on polarssl Downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 15
diff changeset
70 **/
45
c6125d73faf4 Move SSLConnection into it's own class
Andre Heinecke <aheinecke@intevation.de>
parents: 32
diff changeset
71 SSLConnection::ErrorCode getErrorState();
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
72
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
73 protected:
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
74 void run();
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
75
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
76 private:
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
77 QDateTime mLastModSW;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
78 QDateTime mLastModList;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
79
45
c6125d73faf4 Move SSLConnection into it's own class
Andre Heinecke <aheinecke@intevation.de>
parents: 32
diff changeset
80 QString mResourceSW;
c6125d73faf4 Move SSLConnection into it's own class
Andre Heinecke <aheinecke@intevation.de>
parents: 32
diff changeset
81 QString mResourceList;
27
62cd56cea09b Start on polarssl Downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 15
diff changeset
82
45
c6125d73faf4 Move SSLConnection into it's own class
Andre Heinecke <aheinecke@intevation.de>
parents: 32
diff changeset
83 SSLConnection mSSLConnection;
32
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
84
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
85 /** @brief get the last modified header of a resource.
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
86 *
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
87 * Connection should be established beforehand.
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
88 * Modifies the error state.
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
89 *
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
90 * @param[in] resource The resource to check
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
91 *
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
92 * @returns the last modified date or a null datetime in case of errors
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
93 */
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
94 QDateTime getLastModifiedHeader(const QString &resource);
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
95
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
96 /** @brief Download resource
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
97 *
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
98 * Download a resource with the established connection.
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
99 * Modifies the error state.
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
100 *
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
101 * @param[in] resource the resource to download
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
102 * @param[in] filename where the file should be saved.
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
103 * @param[in] maxSize maximum amount of bytes to download
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
104 *
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
105 * @returns True if the download was successful.
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
106 */
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
107 bool downloadFile(const QString &resource, const QString &filename,
d8e93fa1fc93 Downloader logic
Andre Heinecke <andre.heinecke@intevation.de>
parents: 27
diff changeset
108 size_t maxSize);
54
09cd242d8443 Split out Header parsing into it's own function
Andre Heinecke <aheinecke@intevation.de>
parents: 45
diff changeset
109 /**
09cd242d8443 Split out Header parsing into it's own function
Andre Heinecke <aheinecke@intevation.de>
parents: 45
diff changeset
110 * @brief parses the Headers of a repsonse.
09cd242d8443 Split out Header parsing into it's own function
Andre Heinecke <aheinecke@intevation.de>
parents: 45
diff changeset
111 *
09cd242d8443 Split out Header parsing into it's own function
Andre Heinecke <aheinecke@intevation.de>
parents: 45
diff changeset
112 * This removes the headers from the byte array passed as
09cd242d8443 Split out Header parsing into it's own function
Andre Heinecke <aheinecke@intevation.de>
parents: 45
diff changeset
113 * parameter.
09cd242d8443 Split out Header parsing into it's own function
Andre Heinecke <aheinecke@intevation.de>
parents: 45
diff changeset
114 *
09cd242d8443 Split out Header parsing into it's own function
Andre Heinecke <aheinecke@intevation.de>
parents: 45
diff changeset
115 * @param[inout] data: The response to parse.
09cd242d8443 Split out Header parsing into it's own function
Andre Heinecke <aheinecke@intevation.de>
parents: 45
diff changeset
116 *
09cd242d8443 Split out Header parsing into it's own function
Andre Heinecke <aheinecke@intevation.de>
parents: 45
diff changeset
117 * @returns: A map of the header fields. Or an empty map on error.
09cd242d8443 Split out Header parsing into it's own function
Andre Heinecke <aheinecke@intevation.de>
parents: 45
diff changeset
118 */
09cd242d8443 Split out Header parsing into it's own function
Andre Heinecke <aheinecke@intevation.de>
parents: 45
diff changeset
119 QMap<QString, QString> parseHeaders(QByteArray *data);
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
120
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
121 Q_SIGNALS:
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
122 /**
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
123 * @brief software update is available
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
124 */
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
125 void newSoftwareAvailable(const QString &fileName,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
126 const QDateTime &lastMod);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
127
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
128 /**
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
129 * @brief new certificate list available
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
130 */
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
131 void newListAvailable(const QString &fileName, const QDateTime &lastMod);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
132
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
133 /**
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
134 * @brief Some progress has been made.
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
135 *
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
136 * @param[out] message: A message to show. Can be empty.
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
137 * @param[out] current: Value of current progress.
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
138 * @param[out] total: Total value of possible progress
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
139 */
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
140 void progress(const QString &message, int current, int total);
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
141
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
142 /**
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
143 * @brief An error happened
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
144 *
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
145 * @param[out] message: A message to show. Can be empty.
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
146 * @param[out] errorCode: ErrorCode of this error.
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
147 */
45
c6125d73faf4 Move SSLConnection into it's own class
Andre Heinecke <aheinecke@intevation.de>
parents: 32
diff changeset
148 void error(const QString &message, SSLConnection::ErrorCode error);
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
149 };
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
150 #endif
http://wald.intevation.org/projects/trustbridge/