Differential D5394 Diff 14020 src/buffer/katesecuretextbuffer_p.h

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src/buffer/katesecuretextbuffer_p.h

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18 * Boston, MA 02110-1301, USA. 18​ * Boston, MA 02110-1301, USA.
19 */ 19​ */
20 20​
21#ifndef KATE_SECURE_TEXTBUFFER_P_H 21​#ifndef KATE_SECURE_TEXTBUFFER_P_H
22#define KATE_SECURE_TEXTBUFFER_P_H 22​#define KATE_SECURE_TEXTBUFFER_P_H
23 23​
24#include <QObject> 24​#include <QObject>
25#include <QString> 25​#include <QString>
26​#include <QCryptographicHash>
26 27​
27#include <kauth.h> 28​#include <kauth.h>
28 29​
29using namespace KAuth; 30​using namespace KAuth;
30 31​
31/** 32​/**
32 * Class used as KAuth helper binary. 33​ * Class used as KAuth helper binary.
33 * It is supposed to be called through KAuth action. 34​ * It is supposed to be called through KAuth action.
34 * 35​ *
35 * It also contains couple of common methods intended to be used 36​ * It also contains couple of common methods intended to be used
36 * directly by TextBuffer as well as from helper binary. 37​ * directly by TextBuffer as well as from helper binary.
37 * 38​ *
38 * This class should only be used by TextBuffer. 39​ * This class should only be used by TextBuffer.
39 */ 40​ */
40class SecureTextBuffer : public QObject 41​class SecureTextBuffer : public QObject
41{ 42​{
42 Q_OBJECT 43​ Q_OBJECT
43 44​
44public: 45​public:
45 46​
46 /** ​
47 * We support Prepare action for temporary file creation ​
48 * and Move action for moving final file to its destination ​
49 */ ​
50 enum ActionMode { ​
51 Prepare = 1, ​
52 Move = 2 ​
53 }; ​
54 ​
55 SecureTextBuffer() {} 47​ SecureTextBuffer() {}
56 48​
57 ~SecureTextBuffer() {} 49​ ~SecureTextBuffer() {}
58 50​
59 /** 51​ /**
60 * Common helper methods 52​ * Common helper method
61 */ 53​ */
62 static void setOwner(const QString &filename, const uint ownerId, const uint groupId); 54​ static void setOwner(const int filedes, const uint ownerId, const uint groupId);
63 static void syncToDisk(const int fd); 55​
56​ static const QCryptographicHash::Algorithm checksumAlgorithm = QCryptographicHash::Algorithm::Sha512;
64 57​
65private: 58​private:
66 static const qint64 bufferLength = 4096; 59​ static const qint64 bufferLength = 4096;
67 60​
68 /** 61​ /**
69 * Creates temporary file based on given target file path. 62​ * Saves file contents using sets permissions.
70 * Temporary file is set to not be deleted on object destroy ​
71 * so KTextEditor can save contents in it. ​
72 */ 63​ */
73 static QString prepareTempFileInternal(const QString &targetFile, const uint ownerId); 64​ static bool saveFileInternal(const QString &sourceFile, const QString &targetFile,
65​ const QByteArray &checksum, const uint ownerId, const uint groupId);
74 66​
75 /** 67​ static bool moveFile(const QString &sourceFile, const QString &targetFile);
76 * Move file to its given destination and set owner. 68​
77 */ 69​ static void syncToDisk(const int fd);
78 static bool moveFileInternal(const QString &sourceFile, const QString &targetFile, const uint ownerId, const uint groupId); ​
79 70​
80public Q_SLOTS: 71​public Q_SLOTS:
81 /** 72​ /**
82 * KAuth action to perform both prepare or move work based on given parameters. 73​ * KAuth action to perform both prepare or move work based on given parameters.
83 * We keep this code in one method to prevent multiple KAuth user queries during one save action. 74​ * We keep this code in one method to prevent multiple KAuth user queries during one save action.
84 */ 75​ */
85 static ActionReply savefile(const QVariantMap &args); 76​ static ActionReply savefile(const QVariantMap &args);
86 77​
87}; 78​};
88 79​
89#endif 80​#endif