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annotate ui/sslconnection.h @ 1117:5b6203f78b4e

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author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 16 Sep 2014 11:45:32 +0200
parents 78798d3af8f0
children 2a1aa9df8f11
rev   line source
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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 SSLCONNECTION_H
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9 #define SSLCONNECTION_H
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10
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11 /**
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12 * @file sslconnection.h
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13 * @brief Qt wrapper around polarssl ssl api
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14 */
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15
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16 #include <QDebug>
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17 #include <QUrl>
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18 #include <QString>
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19 #include <QByteArray>
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20
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21 class SSLConnection
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22 {
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23 public:
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24 enum ErrorCode {
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25 NoError,
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26 NoConnection,
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27 SSLHandshakeFailed,
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28 InvalidCertificate,
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29 InvalidPinnedCertificate,
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30 InvalidResponse,
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31 ConnectionLost,
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32 Timeout,
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33 ErrUnknown
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34 };
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35
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36 /**
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37 * @brief Construct a pinned SSL Connection
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38 *
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39 * @param[in] url the Url to connect to
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40 * @param[in] certificate optional certificate to validate https connection
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41 */
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42 SSLConnection(const QString& url,
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43 const QByteArray& certificate = QByteArray());
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44
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45 virtual ~SSLConnection() {};
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46
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47 bool initialized() { return mInitialized; }
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48 bool connected() { return mConnected; }
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49
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50 ErrorCode getLastError() { return mErrorState; }
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51
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52 /** @brief: Establish the connection
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53 *
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54 * @returns 0 on success otherwise an error or -1 is returned
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55 */
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56 virtual int connect() = 0;
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57
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58 /** @brief get the last modified header of a resource.
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59 *
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60 * Connection should be established beforehand.
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61 * Modifies the error state.
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62 *
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63 * @param[in] resource The resource to check
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64 *
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65 * @returns the last modified date or a null datetime in case of errors
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66 */
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67 virtual QDateTime getLastModifiedHeader(const QString &resource) = 0;
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68
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69 /** @brief Download resource
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70 *
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71 * Download a resource with the established connection.
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72 * Modifies the error state.
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73 *
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74 * @param[in] resource the resource to download
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75 * @param[in] filename where the file should be saved.
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76 * @param[in] maxSize maximum amount of bytes to download
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77 *
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78 * @returns True if the download was successful.
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79 */
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80 virtual bool downloadFile(const QString &resource, const QString &filename,
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81 size_t maxSize) = 0;
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82
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83 /** @brief Set a proxy server to use.
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84 *
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85 * @param [in] proxyUrl theo URL of the proxy to use.
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86 */
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87 virtual void setProxy(const QUrl &proxyUrl);
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88
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89 /** @brief Set acceptable ciphersuites.
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90 *
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91 * @param [in] ciphers a zero terminated list of ciphers as defined in
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92 * polarssl/ssl_ciphersuites.h
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93 */
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94 virtual void setCiphersuites(int ciphers[]) = 0;
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95
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96 protected:
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97 QUrl mUrl;
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98 QByteArray mPinnedCert;
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99 bool mInitialized;
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100 bool mConnected; /* A connection was established */
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101 bool mNeedsReset; /* The connection needs to be reset before the next
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102 write */
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103 int mServerFD;
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104 SSLConnection::ErrorCode mErrorState;
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105 };
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106
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107 #endif
http://wald.intevation.org/projects/trustbridge/