Pack files to zip and download function: PHPFusion 8 Support

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I am interested in input towards a function that would pack files in a web directory to a zip file, upon user request.

Let me try to describe it step by step.

- a php zip function (?)
- that upon user input zips files in a defined directory
- and preps a download link for user to click on and download those files
- delete zip package, either after download or at a given time, or by scanning a directory for changes in files (possible?)

The reason I would need this is for theme files. Currently working a lot on different themes, yet according to licensing they must be available for download, and frankly I find it a tad tedious to manually prep a new zip for every codechange, so why not try to automate the process? Someone pops in and want the theme files for current default theme, clicks a button "Prep current fileset in the theme directory for download" wait wait wait, present a download link.

Good idea?
Security concerns?

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Sounds good Domi. Many things are and will be possible for fusion. Glad I can contribute back to the community that's responsible for my web dev interests :G. I will make time for this, as others have made similar sacrifices.

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Falk

answered 19 Feb 2014 at 04:35 PM

Super Admin

Looks great, It is inline with my current project ( Check latest news ).
Perhaps we can use it here and in / with our new AddonDB, I would prefer a overlay for preview.
Like a new session to a targeted area. Perhaps forums. Just to save bandwidth not to mention misunderstandings on larger customized content.

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No worries, there has been developments since my last post. Forgive my delinquency, however I was able to change the function to not leave some ghost file on the server. It will simply push the request to one's browser. I have assembled a rough panel, more less modifying the Theme Switcher panel to include this functionality as a concept.

Richard, I completely agree. I'm sure many others here do as well.

Hien, shouldn't be a problem and thanks for that. Bare with me, as I haven't had a profusion of time lately. No pun intended.

Ref: http://themes.kaster.us (Theme Switcher panel, bottom right)

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Kaster, very good function, but can you alter the codes to do such?

Quote

fusion_zip($src_directory, $target_directory, $filename=false);

Source directory is like THEMES constant

Target Directory is like IMAGES constant

Filename is a basic stripinput text filename , so if $filename is not

declared, just randomize it and stock into the target directory?

Here is a randomizer I can contribute:

Code Download source



function randomize($length = 10) {
        return substr(str_shuffle("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), 0, $length);
    }

Usage:

Code Download source


$filename = ($filename) ? stripinput($filename) : randomize(15);

I'm very interested to put your class into official 8 includes... if you can do it as such. Thank you.

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I am putting this to a test on a live site I soon will announce. The impact on the community I hope for is that the Theme used Live on any site should always be available for download, regardless of development status, unless some one removes the link to that code. Thus taking away the need to zip up the theme files and make them available via a separate download link.

Hence it would have to be included in the new theme engine as default on, with the option to turn it off. But that is another story that I may submit as road map.

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— 3 months earlier —

There must be some kind of control in play, since this is merely a function. This may be in the form of a panel. That's probably the most practical.

I can put a panel together, at least as a form of example. Maybe build a table of installed themes along with a download link. Similar to the downloads page. This can even be taken a step further to include infusions as well. Just a thought.

There are many ways this function can be used. It can be improved. And remember, this is only half of what you requested. There would still be a file remaining on the server. Figured the recursive zipping was the hard part. I'll get back with the panel.

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Sorry I missed this, much obliged to your PM Kaster.

Cant wait to test this, will do and get back.

Ehmm, how would you suggest this to be implemented? What files get what code? A CP?

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OK well; thanks for the info though it's too cryptic for me to do anything with. What I was going to try to do is crazy anyway so I'm just going to abandon the idea. Thanks for your time and input though. :)

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Sorry I misunderstood. Staying with my example since I'm not entirely sure where this is headed for you. Although I'm sure this information helps or at least provides a better understanding.

Code Download source

$var = preg_replace("#/+#", "", THEME);
   $var = str_replace(".", "", $var);
   $var = str_replace("themes","", $var);
   $var = THEME.$var.".zip";

ZipDir(THEME, $var);

This will zip the site's current theme, and place it in the site's current theme directory. The file name will be that of the theme directory.

Since this is not creating the file as a temp file, multiple requests will simply add to the archive (assuming changes/files have been committed).

If this is not what you're looking for, the easiest way to explain is that the first field of the function is the INPUT, and the second is the OUTPUT. You may arrange variables accordingly.

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Hmmmm... actually what I mean is can it create the zip in the SAME directory that it's recursing for the files?? Essentially zip files in place to a new zip archive??

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Yes, you can. Same rules apply. Just know from where to specify the proper file path. Here's an example which shows how one can archive the site's current theme, and place into the downloads directory.

Code Download source

ZipDir(THEME, DOWNLOADS.str_replace("../","",THEME).".zip")

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Hey hey that actually works! It creates the zip file one directory up from the function code, in the infusion root folder however; what I would actually like to do if it's possible, is to create the zip in the folder where the files are. I would think the zip function should be able to handle that if the zip creation parameters are set correctly. I suppose I could experiment and see if it'll work that way unless you have an answer for me already??

B)

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No problem Terry, if anything input from you is appreciated.

Are you wanting to have a form submitted, then retrieve a value to determine a variable directory path to zip?

One thing I should mention is that the path specified must take into account of the functions location on the server. Let's say "include/functions.php" is the location of the function, and the directory you are zipping is "../downloads". You notice the "../" for the zip path, because the referenced position is from the function's location.

With your snippet, try changing

Code Download source

ZipDir("upload_folder", "test_arch.zip");

Code Download source

ZipDir($upload_folder, "test_arch.zip");

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Hey KasteR: I know that I'm not part of yours and Richards endeavor here but I'm very interested in this function; so I decided to test it and here are the results.

The Submit and Form:

Code Download source


if (!isset($_GET['upload_folder'])) { $upload_folder = INFUSIONS."news_letter_panel/attach/"; }

if (isset($_POST['archive'])) {
   ZipDir("upload_folder", "test_arch.zip");
}
// rest of my script code
// then the form

echo "<form name='do_archive' method='post' action='".FUSION_SELF.$aidlink."'>\n";
echo "<table style='width:500px' align='center' cellspacing='0' cellpadding='0'><tr>\n";
echo "<td align='center'><hr><br /></td>\n";
echo "</tr><tr>\n";
echo "<td align='center'><b>".$locale['nl_852']."</b><br /><br /></td>\n";
echo "</tr><tr>\n";
echo "<td align='center'><input class='button' type='submit' name='archive' value='".$locale['nl_244']."' /></td>\n";
echo "</tr></table></form>";

And this is the error that is produced in the 7.02.07 error log:

Code Download source

include/functions.php
RecursiveDirectoryIterator::__construct(upload_folder) [<a href='recursivedirectoryiterator.--construct'>recursivedirectoryiterator.--construct</a>]: failed to open dir: No such file or directory Line: 35

Not sure how to declare the dir to the function. Any ideas?

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Hey Richard, I realize it's been a while. However I do have something to offer.
[syntaxhighlighter brush=php,first-line=1,highlight=0,collapse=false,html-script=false]function ZipDir($dir, $filename)
{
// increase script timeout value
ini_set("max_execution_time", 300);
// create object
$zip = new ZipArchive();
// open archive
if ($zip->open($filename, ZIPARCHIVE::CREATE) !== TRUE) {
die ("Could not open archive"

;
}
// initialize an iterator
// pass it the directory to be processed
$iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir));
// iterate over the directory
// add each file found to the archive
foreach ($iterator as $key=>$value) {
$zip->addFile(realpath($key), $key) or die ("ERROR: Could not add file: $key"

;
}
// close and save archive
$zip->close();
echo "Archive created successfully.";
}[/syntaxhighlighter]Calling the function:
[syntaxhighlighter brush=php,first-line=1,highlight=0,collapse=false,html-script=false]ZipDir("directorytozip","output_filename.zip"

[/syntaxhighlighter]This function will simply create a zip and archive the variable directory contents, and leave the newly created zip on the root of the variable directory. Not exactly as you asked, but a step towards it. Maybe someone else can build off of this, or I'll try to follow up.

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— 1 month earlier —

Temp file is where I was going as well. Great input, please catch me on Skype for any brainstorming or testing, but, as I always recommend, if you have any code examples. please put them here for general input.

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Richard,
This is entirely possible. I do not see any immediate security risks. Although this may depend on how the design is. For example, if we are including a $_GET option to determine which files to ZIP, this may impose a security concern. Although obviously this may be addressed/secured.

This makes complete sense. I seriously think this should be taken with higher consideration towards 8 development. This would make a site's theme become a true open source. I like where your head is with this. I've been messing around with a ZIP function, needs some fine tuning.

The function that I've been working with does not leave a file on the server. It will create a temp zip, and remove the temp file. I'll try to put forth some time over the next few days. Anyone else, please weigh in..

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Sounds like some that could work, the parameters that need define would be directory /root/themes/the_theme_in_question/*.*

I think that a generated zip for each download (every time a new one) would be the best way to go, then I wont have to bother about any zipped file storage (?) and always get the latest version.

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I had a worked a section into an infusion that grabbed the db and all the files and zipped it and prompted a download.

Not sure if I can find it or not. This is a great idea even though I've done it before - integrating another projects code.

BTW the "generate button" wouldn't be needed unless the zip hasn't been created before... Could always just have an automated scan check each theme file against a zip file name where the dls will be stored. If it doesn't exists then create the zip and save it so users will already have the dl available.

I think something in a more dynamic manor would be nice but with an api where you could do/include almost anything in the zip.

I won't say I'll do it only because I've got a few things on my plate.

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