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annotate ui/sslconnection.h @ 908:d1c951b3012d

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Curl based implementation of sslconnection
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 13 Aug 2014 19:35:08 +0200
parents 17e1c8f37d72
children eaed02defe6a
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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 mUrl(url),
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45 mPinnedCert(certificate),
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46 mInitialized(false),
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47 mConnected(false),
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48 mNeedsReset(false),
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49 mServerFD(-1),
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50 mErrorState(NoError) {};
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51
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52 virtual ~SSLConnection() {};
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53
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54 /** @brief write */
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55 virtual int write(const QByteArray& request) = 0;
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56
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57 /**
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58 * @brief read at most len bytes and reset the connection
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59 *
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60 * @param [in] len Amount of bytes to read.
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61 *
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62 * @returns a byte array containing the data or
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63 * a NULL byte array on error*/
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64 virtual QByteArray read(size_t len) = 0;
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65
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66 bool initialized() { return mInitialized; }
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67 bool connected() { return mConnected; }
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68
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69 ErrorCode getLastError() { return mErrorState; }
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70
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71 /** @brief: Establish the connection
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72 *
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73 * @returns 0 on success otherwise an error or -1 is returned
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74 */
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75 virtual int connect() = 0;
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76
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77 protected:
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78 QUrl mUrl;
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79 QByteArray mPinnedCert;
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80 bool mInitialized;
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81 bool mConnected; /* A connection was established */
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82 bool mNeedsReset; /* The connection needs to be reset before the next
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83 write */
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84 int mServerFD;
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85 SSLConnection::ErrorCode mErrorState;
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86 };
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87
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88 #endif
http://wald.intevation.org/projects/trustbridge/