Mercurial > trustbridge

annotate ui/downloader.h @ 15:95e1b6edf2fc

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Implement more downloader functionality for Windows
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 19 Feb 2014 10:45:06 +0000
parents fe39d93f1261
children 62cd56cea09b
rev   line source
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
1 #ifndef DOWNLOADER_H
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
2 #define DOWNLOADER_H
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
3 /**
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
4 * @file downloader.h
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
5 * @brief High level API to download necessary data.
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
6 *
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
7 */
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
8
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
9 #include <QThread>
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
10 #include <QString>
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
11 #include <QByteArray>
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
12 #include <QDateTime>
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
13
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
14 #ifdef Q_OS_WIN
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
15 #include <windows.h>
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
16 #include <winhttp.h>
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
17 #endif
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
18
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
19
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
20 class Downloader: public QThread
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
21 {
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
22 Q_OBJECT
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
23
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
24 public:
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
25 /**
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
26 * @brief Construct a downloader with a specific certificate
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
27 *
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
28 * 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
29 * 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
30 * 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
31 * 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
32 * are downloaded.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
33 *
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
34 * Downloaded files are placed in QStandardPaths::DataLocation
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
35 *
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
36 * @param[in] parent the parent object.
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
37 * @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
38 * @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
39 * @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
40 * @param[in] newestList datetime after which the list should be downloaded
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
41 */
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
42 Downloader(QObject* parent, const QString& url,
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
43 const QByteArray& certificate = QByteArray(),
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
44 const QDateTime& newestSW = QDateTime(),
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
45 const QDateTime& newestList = QDateTime());
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
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
48 enum ErrorCode {
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
49 NoConnection,
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
50 InvalidCertificate,
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
51 ConnectionLost,
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
52 Timeout,
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
53 ErrUnknown
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
54 };
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
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
66
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
67 protected:
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
68 void run();
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
69
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
70 private:
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
71 QString mUrl;
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
72 QByteArray mCert;
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
73
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
74 QDateTime mLastModSW;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
75 QDateTime mLastModList;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
76
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
77 #ifdef Q_OS_WIN
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
78 /** @brief Download a file from the Internet
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
79 *
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
80 * @param[in] HSession the session to work in.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
81 * @param[in] HConnect the connection to use.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
82 * @param[in] resource the resource to download.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
83 * @param[in] filename where the file should be saved.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
84 * @param[in] maxSize maximum amount of bytes to download
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
85 *
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
86 * @returns True if the download was successful.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
87 */
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
88 bool downloadFile(HINTERNET hSession, HINTERNET hConnect,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
89 LPCWSTR resource, const QString &filename, DWORD maxSize);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
90
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
91 /** @brief get the last modified header of a resource.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
92 *
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
93 * On error call getLastError to get extended error information.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
94 * This function still does not do any networking but only initializes
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
95 * it.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
96 *
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
97 * @param[in] HSession the session to work in.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
98 * @param[in] HConnect the connection to use.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
99 * @param[in] resource the resource to check the last-modified date on
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
100 *
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
101 * @returns the last modified date or a null datetime in case of errors
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
102 */
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
103 QDateTime getLastModifiedHeader(HINTERNET hSession,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
104 HINTERNET hConnect, LPCWSTR resource);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
105
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
106 /** @brief verify that the certificate of the request matches
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
107 *
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
108 * Validates the certificate against the member variable certificate
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
109 *
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
110 * @param[in] hRequest: The request from which to get the certificate
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
111 *
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
112 * @returns True if the certificate exactly matches the one in hRequest
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
113 */
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
114
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
115 bool verifyCertificate(HINTERNET hRequest);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
116 #endif
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
117
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
118 Q_SIGNALS:
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
119 /**
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
120 * @brief software update is available
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
121 */
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
122 void newSoftwareAvailable(const QString &fileName,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
123 const QDateTime &lastMod);
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 /**
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
126 * @brief new certificate list available
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 void newListAvailable(const QString &fileName, const QDateTime &lastMod);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
129
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 10
diff changeset
130 /**
10
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
131 * @brief Some progress has been made.
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
132 *
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
133 * @param[out] message: A message to show. Can be empty.
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
134 * @param[out] current: Value of current progress.
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
135 * @param[out] total: Total value of possible progress
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
136 */
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
137 void progress(const QString &message, int current, int total);
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
138
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 * @brief An error happened
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 * @param[out] message: A message to show. Can be empty.
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
143 * @param[out] errorCode: ErrorCode of this error.
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 void error(const QString &message, ErrorCode error);
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
146 };
fe39d93f1261 Start on Downloader component
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
147 #endif
http://wald.intevation.org/projects/trustbridge/