Mercurial > hg > ltpda-connection-manager

annotate credentials.m @ 1:c4b57991935a

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author Daniele Nicolodi <daniele@science.unitn.it>
date Sun, 23 May 2010 22:06:57 +0200
parents d5fef23867bb
children b4f2f4c10918
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0
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Daniele Nicolodi <daniele@science.unitn.it>
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1 classdef credentials
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2 properties
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3
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4 hostname = [];
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5 database = [];
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6 username = [];
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7 password = [];
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8 expiry = 0;
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9
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10 end % properties
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11
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12 methods
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13
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14 % contructor
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15 function obj = credentials(hostname, database, username, password)
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16 switch nargin
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17 case 1
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18 obj.hostname = hostname;
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19 case 2
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20 obj.hostname = hostname;
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21 obj.database = database;
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22 case 3
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23 obj.hostname = hostname;
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24 obj.database = database;
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25 obj.username = username;
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26 case 4
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27 obj.hostname = hostname;
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28 obj.database = database;
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29 obj.username = username;
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30 obj.password = password;
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31 end
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32 end
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33
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34 % convert to string representation
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35 function str = char(obj, mode)
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36 if nargin < 2
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37 mode = '';
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38 end
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39 switch mode
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40 case 'short'
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41 % do not show password
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42 frm = 'mysql://%s/%s username=%s';
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43 str = sprintf(frm, obj.hostname, obj.database, obj.username);
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44 case 'full'
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45 % show password
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46 frm = 'mysql://%s/%s username=%s password=%s';
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47 str = sprintf(frm, obj.hostname, obj.database, obj.username, obj.password);
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48 otherwise
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49 % by default only show if a password is known
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50 passwd = [];
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51 if ischar(obj.password)
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52 passwd = 'YES';
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53 end
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54 frm = 'mysql://%s/%s username=%s password=%s';
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55 str = sprintf(frm, obj.hostname, obj.database, obj.username, passwd);
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56 end
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57 end
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58
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59 % display
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60 function disp(obj)
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61 disp([' ' char(obj) char(10)]);
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62 end
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63
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64 % check that a credentials object contails all the required informations
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65 function rv = complete(obj)
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66 info = {'hostname', 'database', 'username', 'password'};
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67 for kk = 1:numel(info)
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68 if isempty(obj.(info{kk}))
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69 rv = false;
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70 return;
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71 end
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72 end
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73 rv = true;
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74 end
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75
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76 % check if the credentials are expired
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77 function rv = expired(obj)
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78 rv = false;
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79 if obj.expiry > 0 && double(time()) > obj.expiry
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80 rv = true;
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81 end
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82 end
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83
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84 % check if the credentials object matches the given informations
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85 function rv = match(obj, hostname, database, username)
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86 if nargin < 4
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87 username = [];
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88 end
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89
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90 % default value
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91 rv = true;
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92
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93 if ~strcmp(obj.hostname, hostname)
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94 rv = false;
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95 return;
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96 end
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97 if ~strcmp(obj.database, database)
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98 rv = false;
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99 return;
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100 end
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101 if ischar(username) && ischar(obj.username) && ~strcmp(obj.username, username)
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102 rv = false;
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103 return;
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104 end
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105 end
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106
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107 end % methods
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108
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109 end