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<?
// MichaelMalz/CST1611Lab03a.phpinc
require('Gradebook/EvaluationSubmission_BEGIN.phpinc'); // Replaced.
$dataFolder = '/var/www/html';
$apacheFolder = $dataFolder;
$dirSep = '/';
$disabled = '';
#$disabled = ' disabled'; // Comment this line to enable lab.
?>
<fieldset id="description"><legend><?=$evaluationType?> <?=$evaluationNumber?> Description</legend>
The purpose of this lab is to demonstrate the ability to use directives from the <tt>mod_alias</tt> module.
<br>
Before beginning this lab look at the <a href="#Notes">Notes</a> below.
<br><note class="larger">All directives</note>
<br><?=$gradeNote?>
<? if ( $disabled ) { ?><span class="error bold">Notice: Do not perform this assignment unless this notice has been removed.</span><? } ?>
</fieldset>
<fieldset><legend><?=$evaluationType?> <?=$evaluationNumber?> Instruction</legend>
<ol class="count">
<li>Setup a directory for this lab.
<ol>
<li>Create a directory called <b class="copyText"><?=$evaluationName?></b> inside your <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?></b> directory.</li>
<li>Create a text file called <b class="copyText"><?=$saveFilename?>.txt</b> in the <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?></b> directory.</li>
</ol>
</li>
<li>Locate the location for all directives you will add in this lab.
<ol>
<li>Open your <b>/etc/apache2/sites-available/000-default.conf</b>.</li>
<li>Above the <code><Directory></code> directive add the comment:<br>
<comm class="copyText"># <?=$evaluationType?> <?=$evaluationNumber?></comm></li>
<li>Place all directives you add in this lab in lines below this comment and in the order listed.</li>
</ol>
</li>
<li>Setup an <code>Alias</code> from one directory to another directory.
<ol>
<li>Setup directories for this <code>Alias</code>.
<ol>
<li>Create a directory called <b class="copyText">aliasfrom</b> inside your <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?></b> directory.</li>
<li>Create a text file called <b class="copyText">You are in the <?=$userFullName?> aliasfrom directory</b> in the <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?><?=$dirSep?>aliasfrom</b> directory.</li>
<li>Create a directory called <b class="copyText">aliasto</b> inside your <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?></b> directory.</li>
<li>Create a text file called <b class="copyText">You are in the <?=$userFullName?> aliasto directory</b> in the <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?><?=$dirSep?>aliasto</b> directory.</li>
</ol>
</li>
<li>Edit your Apache config and add an <code>Alias</code> directive from one directory to another directory.
<ol>
<li>Open your <b>/etc/apache2/sites-available/000-default.conf</b>.</li>
<li>Add a <code class="copyText">Alias</code> directive so that the <tt><?=$apacheFolder?>/<?=$courseNumber?>/<?=$evaluationName?>/aliasfrom</tt> directory is an alias of the <tt class="copyText"><?=$apacheFolder?>/<?=$courseNumber?>/<?=$evaluationName?>/aliasto</tt> directory.</li>
<li>Save your changes.</li>
</ol>
</li>
<li>Verify that your <code>Alias</code> works.
<ol>
<li>Restart Apache.</li>
<li>Open up a browser.</li>
<li>Enter <b>localhost</b> in the address bar and hit enter.</li>
<li>Click on <b>CST1611</b>. Click on <b><?=$evaluationName?></b>. Click on <b>aliasfrom</b>. Your browser should still show <b>aliasfrom</b> in the URL but show the contents of the <b>aliasto</b> directory.</li>
</ol>
</li>
</ol>
</li>
<li>Setup an <code>Alias</code> from one file to another file.
<ol>
<li>Setup files for this <code>Alias</code>.
<ol>
<li>Create a file called <b class="copyText">AliasFileFrom.txt</b> inside your <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?></b> directory.</li>
<li>Edit the <b>AliasFileFrom.txt</b> file, enter the line <b class="copyText">You are viewing the contents of the <?=$userFullName?> AliasFileFrom.txt file.</b>, and save your changes.</li>
<li>Create a file called <b class="copyText">AliasFileTo.txt</b> inside your <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?></b> directory.</li>
<li>Edit the <b>AliasFileTo.txt</b> file, enter the line <b class="copyText">You are viewing the contents of the <?=$userFullName?> AliasFileTo.txt file.</b>, and save your changes.</li>
</ol>
</li>
<li>Edit your Apache config and add an <code>Alias</code> directive from one file to another file.
<ol>
<li>Open your <b>/etc/apache2/sites-available/000-default.conf</b>.</li>
<li>Add an <code class="copyText">Alias</code> directive so that the <tt><?=$apacheFolder?>/<?=$courseNumber?>/<?=$evaluationName?>/AliasFileFrom.txt</tt> file is an alias of <tt class="copyText"><?=$apacheFolder?>/<?=$courseNumber?>/<?=$evaluationName?>/AliasFileTo.txt</tt>.</li>
<li>Save your changes.</li>
</ol>
</li>
<li>Verify that your <code>Alias</code> works.
<ol>
<li>Restart Apache.</li>
<li>Open up a browser.</li>
<li>Enter <b>localhost</b> in the address bar and hit enter.</li>
<li>Click on <b>CST1611</b>. Click on <b><?=$evaluationName?></b>. Click on <b>AliasFileFrom.txt</b>. Your browser should still show <b>AliasFileFrom.txt</b> in the URL but show the contents of the <b>AliasFileTo.txt</b> file.</li>
</ol>
</li>
</ol>
</li>
<li>Setup a <code>Redirect</code> from a directory to another site.
<ol>
<li>Setup a directory for this <code>Redirect</code>.
<ol>
<li>Create a directory called <b class="copyText">ClassHome</b> inside your <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?></b> directory.</li>
<li>Create a text file called <b class="copyText">You are in the <?=$userFullName?> ClassHome directory</b> in the <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?><?=$dirSep?>ClassHome</b> directory.</li>
</ol>
</li>
<li>Edit your Apache config and add a <code>Redirect</code> directive from a directory to another site.
<ol>
<li>Open your <b>/etc/apache2/sites-available/000-default.conf</b> file in a text editor.</li>
<li>Add a <code class="copyText">Redirect</code> directive so that the <tt><?=$apacheFolder?>/<?=$courseNumber?>/<?=$evaluationName?>/ClassHome/</tt> directory is redirected to <tt>https://cst.ridgewater.edu/MichaelMalz/CST1611</tt>.</li>
<li>Save your changes.</li>
</ol>
</li>
<li>Verify that your <code>Redirect</code> works.
<ol>
<li>Restart Apache.</li>
<li>Open up a browser.</li>
<li>Enter <b>localhost</b> in the address bar and hit enter.</li>
<li>Click on <b>CST1611</b>. Click on <b><?=$evaluationName?></b>. Click on <b>ClassHome</b>. Your browser should be redirected to <b>https://cst.ridgewater.edu/MichaelMalz/CST1611</b>.</li>
</ol>
</li>
</ol>
</li>
<li>Setup a <code>Redirect</code> from a file to another site.
<ol>
<li>Setup a file for this <code>Redirect</code>.
<ol>
<li>Create a file called <b class="copyText">ClassFile.txt</b> inside your <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?></b> directory.</li>
<li>Edit the <b>ClassFile.txt</b> text file, enter the line <b class="copyText">You are viewing the contents of the <?=$userFullName?> ClassFile.txt file.</b>, and save your changes.</li>
</ol>
</li>
<li>Edit your Apache config and add a <code>Redirect</code> directive from a file to another site.
<ol>
<li>Open your <b>/etc/apache2/sites-available/000-default.conf</b> file in a text editor.</li>
<li>Copy the <code>Redirect</code> you created in step 5 above and paste it below that line.</li>
<li>Change <code>ClassHome</code> to <code>ClassFile.txt</code>.</li>
<li>Save your changes.</li>
</ol>
</li>
<li>Verify that your <code>Redirect</code> works.
<ol>
<li>Restart Apache.</li>
<li>Open up a browser.</li>
<li>Enter <b>localhost</b> in the address bar and hit enter.</li>
<li>Click on <b>CST1611</b>. Click on <b><?=$evaluationName?></b>. Click on <b>ClassFile.txt</b>. Your browser should now show the contents of the <b>ClassFile.txt</b> file. If it does not then add a / to the end of the <code>URL-path</code> part of the Redirect directive and try again.
<li>Now add a <b>/</b> to the end of the URL in the location bar and hit enter. Your browser should now be redirected to <b>https://cst.ridgewater.edu/MichaelMalz/CST1611</b>.</li>
</ol>
</li>
</ol>
</li>
<li>Setup a <code>Redirect</code> from a directory to another directory.
<ol>
<li>Setup directories for this <code>Redirect</code>.
<ol>
<li>Create a directory called <b class="copyText">redirected</b> inside your <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?></b> directory.</li>
<li>Create a text file called <b class="copyText">You are in the <?=$userFullName?> redirected directory</b> in the <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?><?=$dirSep?>redirected</b> directory.</li>
<li>Create a directory called <b class="copyText">tohere</b> inside your <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?></b> directory.</li>
<li>Create a text file called <b class="copyText">You are in the <?=$userFullName?> tohere directory</b> in the <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?><?=$dirSep?>tohere</b> directory.</li>
</ol>
</li>
<li>Edit your Apache config and add a <code>Redirect</code> directive from a directory to another directory.
<ol>
<li>Open your <b>/etc/apache2/sites-available/000-default.conf</b> file in a text editor.</li>
<li>Add a <code class="copyText">Redirect</code> directive so that the <tt><?=$apacheFolder?>/<?=$courseNumber?>/<?=$evaluationName?>/redirected</tt> directory is redirected to <tt><?=$apacheFolder?>/<?=$courseNumber?>/<?=$evaluationName?>/tohere</tt>.</li>
<li>Save your changes.</li>
</ol>
</li>
<li>Verify that your <code>Redirect</code> works.
<ol>
<li>Restart Apache.</li>
<li>Open up a browser.</li>
<li>Enter <b>localhost</b> in the address bar and hit enter.</li>
<li>Click on <b>CST1611</b>. Click on <b><?=$evaluationName?></b>. Click on <b>redirected</b>. Your browser should be redirected to the <b>tohere</b> directory.</li>
</ol>
</li>
</ol>
</li>
<li>Setup a <code>Redirect</code> from nothing to a directory.
<ol>
<li>Setup a directory for this <code>Redirect</code>.
<ol>
<li>Create a directory called <b class="copyText">fromnothing</b> inside your <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?></b> directory.</li>
<li>Create a text file called <b class="copyText">You are in the <?=$userFullName?> fromnothing directory</b> in the <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?><?=$dirSep?>fromnothing</b> directory.</li>
</ol>
</li>
<li>Edit your Apache config and add a <code>Redirect</code> directive from nothing to a directory.
<ol>
<li>Open your <b>/etc/apache2/sites-available/000-default.conf</b> file in a text editor.</li>
<li>Add a <code class="copyText">Redirect</code> directive so that the <tt><?=$apacheFolder?>/<?=$courseNumber?>/<?=$evaluationName?>/nothing</tt> directory is redirected to <tt><?=$apacheFolder?>/<?=$courseNumber?>/<?=$evaluationName?>/fromnothing</tt>.</li>
<li>Save your changes.</li>
</ol>
</li>
<li>Verify that your <code>Redirect</code> works.
<ol>
<li>Restart Apache.</li>
<li>Open up a browser.</li>
<li>Enter <b>localhost</b> in the address bar and hit enter.</li>
<li>Click on <b>CST1611</b>. Click on <b><?=$evaluationName?></b>. Add <b>nothing</b> to the end of the URL in the location bar and hit enter. Your browser should be redirected to the <b>fromnothing</b> directory.</li>
<li>Go back a page and add <b>nothing/</b> (note the slash) to the end of the URL in the location bar and hit enter. Your browser should still be redirected to the <b>fromnothing</b> directory.</li>
</ol>
</li>
</ol>
</li>
<li>Turn in your assignment:
<ol>
<li>Copy your <b>/etc/hosts</b> and <b>/etc/apache2/sites-available/000-default.conf</b> file into your <b><?=$evaluationName?></b> folder.</li>
<li>Ensure the following folders and files are in your <b><?=$evaluationName?></b> folder:
<?
$folderList = array(
'aliasfrom',
'aliasto',
'ClassHome',
'redirected',
'tohere',
'fromnothing',
);
showFileList($folderList,'folder');
$fileList = array(
'AliasFileFrom.txt',
'AliasFileTo.txt',
'ClassFile.txt',
$saveFilename.'.txt',
'hosts',
'alias.conf',
'000-default.conf',
);
showFileList($fileList);
?>
</li>
<li>Zip up your <b><?=$evaluationName?></b> folder into a file named <b class="copyText"><?=$uploadFilename?></b>.</li>
<li>Browse and select your <b><?=$uploadFilename?></b> file: <input type="file" name="fileUpload" id="inpFileUpload"<?=$disabled?>><div id="divFileploadError"></div></li>
<li>Then <input type="submit" name="f_subtask" id="inpSubmit" value="Submit"<?=$disabled?>> for grading.</li>
</ol>
</li>
</ol><? if ( $disabled ) { ?><span class="error bold">Notice: Do not perform this assignment unless this notice has been removed.</span><? } ?>
</fieldset>
<fieldset id="Notes"><legend>Notes</legend>
<span class="warning bold">WARNING! Throughout this lab you should be aware of your browser's ability to load a page from cache.
You may need to force a page refresh (Ctrl-Shift-R) or even close and reopen the browser in order to see what is really happening now.</span>
<p>
<code>Alias URL-path file-path|directory-path</code> directive:
<ul>
<li>The <code>URL-path</code> parameter must be relative the the <code>DocumentRoot</code>.</li>
<li>The <code>path-to-file|path-to-directory</code> parameter must be relative to the file system.</li>
<li>Trailing slashes are important in the <code>Alias URL-path file-path|directory-path</code> directive too.</li>
<li>When <code>Alias</code>ing files neither the <code>URL-path</code> nor <code>path-to-file|path-to-directory</code> should ever end with a /.</li>
<li>When <code>Alias</code>ing directories both the <code>URL-path</code> and the <code>path-to-file|path-to-directory</code> need to be the same, either ending or not ending with a /.</li>
</ul>
</p>
<p>
<code>Redirect [status] URL-path URL-to</code> directive:
<ul>
<li>The <code>URL-path</code> parameter must be relative the the <code>DocumentRoot</code>.</li>
<li>The <code>URL-to</code> parameter must be relative the the <code>DocumentRoot</code> or a full URL to another Website.</li>
<li>When using the <code>Redirect [status] URL-path URL-to</code> directive a trailing slash (/) is important.</li>
<li>If the <code>URL-path</code> ends in a / it only works for a directory or if the <code>URL-path</code> typed into the browser location bar ends with a /.<br>
The way it works is that:
<ul>
<li>If <code>URL-path</code> ends with a / the browser location URL must also or the <code>Redirect</code> will not work.</li>
<li>If <code>URL-path</code> does not end with a / the browser location URL can end with a / or not.</li>
</ul>
</li>
<li>In order for a <code>Redirect</code> directive to work neither the <code>URL-path</code> nor the <code>URL-to</code> need actually exist.</li>
<li>Note that the <code>URL-to</code> should never end with a /.</li>
</ul>
</p>
Go back up to the <a href="#description">Description</a>.
</fieldset>
<?
require('Gradebook/EvaluationSubmission_END.phpinc'); // Replaced.
?>