mirror of
https://github.com/Rouji/single_php_filehost.git
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66 lines
2.5 KiB
Markdown
66 lines
2.5 KiB
Markdown
# Single .php Filehost
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Simple PHP script, mainly for sharing random files with people using curl. (and thus in an easily scriptable way)
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Puts a file sent via POST into a configured directory with a randomised filename but preserving the original file extension and returns a link to it.
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Actually serving the file to people is left to apache to figure out.
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There's also a mechanism for removing files over a certain age, which can be invoked by calling the script with a commandline argument.
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# Config
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All configuration is done using the global variables at the top of **index.php**. Hopefully they're explained well enough in the short comments besides them.
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To accommodate for larger uploads, you'll also need to set the following values in your php.ini:
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upload_max_filesize
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post_max_size
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max_input_time
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max_execution_time
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(The output of index.php will also warn you, if any of those are set too small)
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The code responsible for the default info text can be found at the very bottom of index.php, in case you want to reword anything.
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## Apache
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Pretty straight forward, I use something like this:
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```
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<Directory /path/to/webroot/>
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Options +FollowSymLinks -MultiViews -Indexes
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AddDefaultCharset UTF-8
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AllowOverride None
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RewriteEngine On
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RewriteCond "%{ENV:REDIRECT_STATUS}" "^$"
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RewriteRule "^/?$" "index.php" [L,END]
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RewriteRule "^(.+)$" "files/$1" [L,END]
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</Directory>
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<Directory /path/to/webroot/files>
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Options -ExecCGI
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php_flag engine off
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SetHandler None
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AddType text/plain .php .php5 .html .htm .cpp .c .h .sh
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</Directory>
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```
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# Purging Old Files
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To check for any files that exceed their max age and delete them, you need to call index.php with the argument "purge"
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```bash
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php index.php purge
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```
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To automate this, simply create a cron job:
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```
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0 0 * * * cd /path/to/the/root; php index.php purge > /dev/null
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```
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If you specify **$STORE_PATH** using an absolute path, you can omit the **cd**
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## Max. File Age
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The max age of a file is computed using the following formula:
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```
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$file_max_age = $MIN_FILEAGE +
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($MAX_FILEAGE - $MIN_FILEAGE) *
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pow(1-($fileSize/$MAX_FILESIZE),$DECAY_EXP);
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```
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...which is a basic exponential decay curve that favours smaller files, meaning small files are kept longer and really big ones are deleted relatively quickly.
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**$DECAY_EXP** is one of the configurable globals and basically makes the curve more or less exponential-looking. Set to 1 for a completely linear relationship.
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