71 lines
2.5 KiB
HTML
71 lines
2.5 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<meta content="text/html; charset=ISO-8859-15"
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http-equiv="content-type">
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<title>Login</title>
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<link rel="stylesheet" type="text/css" href="style/layout.css">
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</head>
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<body>
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<h1 style="text-align: center;">Login<br>
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</h1>
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<div style="text-align: center;"><br>
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</div>
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<div style="text-align: center;"><br>
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<div style="text-align: left;">The <span style="font-style: italic;">login</span>
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page is the first page the user sees when opening LAM. It manages LDAP
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authentication and checks the environment of the user.<br>
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<br>
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<br>
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<h2>login.php</h2>
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The login page offers authentication, language selection and profile
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selection. There are also some environment checks.<br>
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<br>
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<h3>Authentication</h3>
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The list of possible users is loaded from the current active profile.
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Only the RDN value is offered for selection by the user.<br>
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When the user submits his password then a new <span
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style="font-style: italic;">Ldap</span> object is created and LAM
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tries to connect to the LDAP server.<br>
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If the connection was successful the user is forwarded to the main
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frame (main.php). The session variable <span
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style="font-weight: bold; font-style: italic;">$_SESSION['loggedIn']</span>
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is set to <span style="font-style: italic;">true</span>. This informs
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the other PHP scripts that a valid user is connected (e.g. the user is
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allowed to create account profiles).<br>
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<br>
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<h3>Language selection</h3>
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The list of possible languages is read from <span
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style="font-weight: bold;">config/language</span>. The current active
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profile defines the preselected language and the language of the login
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page itself.<br>
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<br>
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<h3>Profile selection<br>
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</h3>
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The user can change the active configuration profile at login. A list
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of possible profiles is retrieved by <span
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style="font-weight: bold; font-style: italic;">getConfigProfiles()</span>.<br>
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If the profile is changed then the login replaces the config object in <span
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style="font-weight: bold; font-style: italic;">$_SESSION['config']</span>
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by a new one. Then the main login page is loaded and uses the new
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values.<br>
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<br>
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<h3>Environment checks</h3>
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LAM checks if all needed PHP extensions are installed.<br>
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<ul>
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<li><span style="font-weight: bold;">LDAP:</span> PHP needs LDAP
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support</li>
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<li><span style="font-weight: bold;">MHash:</span> needed for
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password creation</li>
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<li><span style="font-weight: bold;">Gettext:</span> needed for
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translation<br>
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</li>
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</ul>
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<br>
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<br>
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<br>
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</div>
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</div>
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</body>
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</html>
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