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annotate ui/installwrapper.h @ 867:ecdc279dea15

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author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 Aug 2014 17:44:00 +0200
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1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8 #ifndef UI_INSTALLWRAPPER_H
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9 #define UI_INSTALLWRAPPER_H
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10
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11 #include <QFileInfo>
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12 #include <QString>
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13 #include <QStringList>
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14 #include <QTemporaryFile>
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15 #include <QThread>
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16
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17 #include "certificate.h"
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18 /** @file installwrapper.h
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19 * @brief Wrapper around the call to the updated process */
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20
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21 /** @brief Get the FileInfo for the installation process.
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22 *
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23 * This points to the file where the installation process is
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24 * supposed to be.
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25 *
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26 * @returns A FileInfo with the path of the installation process.*/
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27 QFileInfo getCinstProcInfo();
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28
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29 /** @brief wrapper around installer process
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30 *
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31 * This wrapper is mostly needed because QProcess executes
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32 * a process on Windows directly with CreateProcess and
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33 * thus can not be used to elevate the Process.
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34 *
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35 * On Windows this class uses ShellExecuteExW to control
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36 * the child process. On Linux systems QProcess is used.
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37 *
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38 * It subclasses QThread so the installation can be done
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39 * asynchronusly. */
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40 class InstallWrapper : public QThread
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41 {
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42 Q_OBJECT
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43
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44 public:
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45 /**
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46 * @brief Construct an installwrapper for a certificateList
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47 *
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48 * The install wrapper will start the cinst process to execute
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49 * the specified instructions with the provided certificatelist.
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50 *
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51 * The cinst executable is expected to be in the same directory
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52 * as the current application.
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53 *
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54 * @param[in] parent the parent object.
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55 * @param[in] listFileName the absolute path to the certificatelist.
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56 * @param[in] choices a list of R: / I: <cert> lines to execute.
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57 */
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58 InstallWrapper(QObject* parent, const QString& path,
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59 const QStringList& instructions);
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60
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61 private:
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62 /**@brief write the choices made into a temporary file
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63 *
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64 * @param[in] choicesFile the temporary file to write.
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65 *
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66 * @returns true on success. false on error.
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67 */
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68 bool writeChoices(QTemporaryFile* choicesFile) const;
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69
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70 const QString mCertListFile;
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71 const QStringList mChoices;
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72
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73 protected:
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74 void run();
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75
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76 Q_SIGNALS:
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77 /**
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78 * @brief An error happened
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79 *
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80 * @param[out] message: A localized message to show. Can be empty.
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81 */
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82 void error(const QString &message);
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83
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84 /**
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85 * @brief The installation was successful
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86 *
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87 * This only means the installation was successful as far as we
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88 * can tell as there is no backchannel from the installation processes.
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89 */
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90 void installationSuccessful();
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91 };
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92
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93 #endif // UI_INSTALLWRAPPER_H
http://wald.intevation.org/projects/trustbridge/