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INSTALL.md
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@ -1,39 +1,47 @@
# Installation
**TL;DR:** Download the
[latest release archive](https://github.com/PrivateBin/PrivateBin/releases/latest) (with the link labelled as „Source code (…)“)
and extract it in your web hosts folder where you want to install your PrivateBin
instance. We try to provide a mostly safe default configuration, but we urge you to
check the [security section](#hardening-and-security) below and the [configuration
options](#configuration) to adjust as you see fit.
[latest release archive](https://github.com/PrivateBin/PrivateBin/releases/latest)
(with the link labelled as "Source code (…)") and extract it in your web hosts
folder where you want to install your PrivateBin instance. We try to provide a
mostly safe default configuration, but we urge you to check the
[security section](#hardening-and-security) below and the
[configuration options](#configuration) to adjust as you see fit.
**NOTE:** See [our FAQ](https://github.com/PrivateBin/PrivateBin/wiki/FAQ#how-can-i-securely-clonedownload-your-project) for information how to securely download the PrivateBin release files.
**NOTE:** See our [FAQ entry on securely downloading release files](https://github.com/PrivateBin/PrivateBin/wiki/FAQ#how-can-i-securely-clonedownload-your-project)
for more information.
**NOTE:** There is a [ansible](https://ansible.com) role by @e1mo available to install and configure PrivateBin on your server. It's available on [ansible galaxy](https://galaxy.ansible.com/e1mo/privatebin) ([source code](https://git.sr.ht/~e1mo/ansible-role-privatebin)).
**NOTE:** There is a [ansible](https://ansible.com) role by @e1mo available to
install and configure PrivateBin on your server. It's available on
[ansible galaxy](https://galaxy.ansible.com/e1mo/privatebin)
([source code](https://git.sr.ht/~e1mo/ansible-role-privatebin)).
### Minimal requirements
### Minimal Requirements
- PHP version 7.0 or above
- Or PHP version 5.6 AND _one_ of the following sources of cryptographically safe randomness:
- [Libsodium](https://download.libsodium.org/libsodium/content/installation/) and it's [PHP extension](https://paragonie.com/book/pecl-libsodium/read/00-intro.md#installing-libsodium)
- open_basedir access to `/dev/urandom`
- mcrypt extension (mcrypt needs to be able to access `/dev/urandom`. This means if `open_basedir` is set, it must include this file.)
- Or PHP version 5.6 AND _one_ of the following sources of cryptographically
safe randomness:
- [Libsodium](https://download.libsodium.org/libsodium/content/installation/)
and it's [PHP extension](https://paragonie.com/book/pecl-libsodium/read/00-intro.md#installing-libsodium)
- `open_basedir` access to `/dev/urandom`
- mcrypt extension AND `open_basedir` access to `/dev/urandom`
- com_dotnet extension
- GD extension
- zlib extension
- some disk space or (optionally) a database supported by [PDO](https://php.net/manual/book.pdo.php)
- ability to create files and folders in the installation directory and the PATH defined in index.php
- A web browser with JavaScript support
- some disk space or a database supported by [PDO](https://php.net/manual/book.pdo.php)
- ability to create files and folders in the installation directory and the PATH
defined in index.php
- A web browser with JavaScript and (optional) WebAssembly support
## Hardening and security
## Hardening and Security
### Changing the path
### Changing the Path
In the index.php you can define a different `PATH`. This is useful to secure your
installation. You can move the configuration, data files, templates and PHP
In the index.php you can define a different `PATH`. This is useful to secure
your installation. You can move the configuration, data files, templates and PHP
libraries (directories cfg, doc, data, lib, tpl, tst and vendor) outside of your
document root. This new location must still be accessible to your webserver / PHP
process (see also
document root. This new location must still be accessible to your webserver and
PHP process (see also
[open_basedir setting](https://secure.php.net/manual/en/ini.core.php#ini.open-basedir)).
> #### PATH Example
@ -42,24 +50,25 @@ process (see also
> http://example.com/paste/
>
> The full path of PrivateBin on your webserver is:
> /home/example.com/htdocs/paste
> /srv/example.com/htdocs/paste
>
> When setting the path like this:
> define('PATH', '../../secret/privatebin/');
>
> PrivateBin will look for your includes / data here:
> /home/example.com/secret/privatebin
> PrivateBin will look for your includes and data here:
> /srv/example.com/secret/privatebin
### Changing the config path only
In situations where you want to keep the PrivateBin static files separate from the
rest of your data, or you want to reuse the installation files on multiple vhosts,
you may only want to change the `conf.php`. In this instance, you can set the
you may only want to change the `conf.php`. In this case, you can set the
`CONFIG_PATH` environment variable to the absolute path to the `conf.php` file.
This can be done in your web server's virtual host config, the PHP config, or in
the index.php if you choose to customize it.
the index.php, if you choose to customize it.
Note that your PHP process will need read access to the config wherever it may be.
Note that your PHP process will need read access to the configuration file,
wherever it may be.
> #### CONFIG_PATH example
> Setting the value in an Apache Vhost:
@ -73,23 +82,27 @@ Note that your PHP process will need read access to the config wherever it may b
### Transport security
When setting up PrivateBin, also set up HTTPS, if you haven't already. Without HTTPS
PrivateBin is not secure, as the JavaScript files could be manipulated during transmission.
For more information on this, see our [FAQ entry on HTTPS setup](https://github.com/PrivateBin/PrivateBin/wiki/FAQ#how-should-i-setup-https).
When setting up PrivateBin, also set up HTTPS, if you haven't already. Without
HTTPS PrivateBin is not secure, as the JavaScript or WebAssembly files could be
manipulated during transmission. For more information on this, see our
[FAQ entry on HTTPS setup recommendations](https://github.com/PrivateBin/PrivateBin/wiki/FAQ#how-should-i-setup-https).
### File-level permissions
After completing the installation, you should make sure, other users on the system cannot read the config file or the `data/` directory, as – depending on your configuration – potential secret information are saved there.
After completing the installation, you should make sure, that other users on the
system cannot read the config file or the `data/` directory, as – depending on
your configuration – potentially sensitive information may be stored in there.
See [this FAQ item](https://github.com/PrivateBin/PrivateBin/wiki/FAQ#what-are-the-recommended-file-and-folder-permissions-for-privatebin) for a detailed guide on how to "harden" the permissions of files and folders.
See our [FAQ entry on permissions](https://github.com/PrivateBin/PrivateBin/wiki/FAQ#what-are-the-recommended-file-and-folder-permissions-for-privatebin)
for a detailed guide on how to "harden" access to files and folders.
## Configuration
In the file `cfg/conf.php` you can configure PrivateBin. A `cfg/conf.sample.php`
is provided containing all options and default values. You can copy it to
`cfg/conf.php` and adapt it as needed. Alternatively you can copy it anywhere and
set the `CONFIG_PATH` environment variable (see above notes). The config file is
divided into multiple sections, which are enclosed in square brackets.
is provided containing all options and their default values. You can copy it to
`cfg/conf.php` and change it as needed. Alternatively you can copy it anywhere
and set the `CONFIG_PATH` environment variable (see above notes). The config
file is divided into multiple sections, which are enclosed in square brackets.
In the `[main]` section you can enable or disable the discussion feature, set
the limit of stored pastes and comments in bytes. The `[traffic]` section lets
@ -107,28 +120,28 @@ A `robots.txt` file is provided in the root dir of PrivateBin. It disallows all
robots from accessing your pastes. It is recommend to place it into the root of
your web directory if you have installed PrivateBin in a subdirectory. Make sure
to adjust it, so that the file paths match your installation. Of course also
adjust the file if you already use a `robots.txt`.
adjust the file, if you already use a `robots.txt`.
A `.htaccess.disabled` file is provided in the root dir of PrivateBin. It blocks
some known robots and link-scanning bots. If you use Apache, you can rename the
file to `.htaccess` to enable this feature. If you use another webserver, you
have to configure it manually to do the same.
### When using Cloudflare
### On using Cloudflare
If you want to use PrivateBin behind Cloudflare, make sure you have disabled the Rocket
loader and unchecked "Javascript" for Auto Minify, found in your domain settings,
under "Speed". (More information
[in this FAQ entry](https://github.com/PrivateBin/PrivateBin/wiki/FAQ#user-content-how-to-make-privatebin-work-when-using-cloudflare-for-ddos-protection))
If you want to use PrivateBin behind Cloudflare, make sure you have disabled the
Rocket loader and unchecked "Javascript" for Auto Minify, found in your domain
settings, under "Speed". More information can be found in our
[FAQ entry on Cloudflare related issues](https://github.com/PrivateBin/PrivateBin/wiki/FAQ#user-content-how-to-make-privatebin-work-when-using-cloudflare-for-ddos-protection).
### Using a database instead of flat files
### Using a Database Instead of Flat Files
In the configuration file the `[model]` and `[model_options]` sections let you
configure your favourite way of storing the pastes and discussions on your
server.
`Filesystem` is the default model, which stores everything in files in the
data folder. This is the recommended setup for most sites.
data folder. This is the recommended setup for most sites on single hosts.
Under high load, in distributed setups or if you are not allowed to store files
locally, you might want to switch to the `Database` model. This lets you
@ -142,21 +155,26 @@ to use a prefix for
The table prefix option is called `tbl`.
> #### Note
> The `Database` model has only been tested with SQLite, MySQL and PostgreSQL,
> although it would not be recommended to use SQLite in a production environment.
> If you gain any experience running PrivateBin on other RDBMS, please let us
> know.
> The `Database` model has only been tested with SQLite, MariaDB/MySQL and
> PostgreSQL, although it would not be recommended to use SQLite in a production
> environment. If you gain any experience running PrivateBin on other RDBMS,
> please let us know.
The following GRANTs (privileges) are required for the PrivateBin user in **MySQL**. In normal operation:
The following GRANTs (privileges) are required for the PrivateBin user in
**MariaDB/MySQL**. In normal operation:
- INSERT, SELECT, DELETE on the paste and comment tables
- SELECT on the config table
If you want PrivateBin to handle table creation (when you create the first paste) and updates (after you update PrivateBin to a new release), you need to give the user these additional privileges:
If you want PrivateBin to handle table creation (when you create the first paste)
and updates (after you update PrivateBin to a new release), you need to give the
user these additional privileges:
- CREATE, INDEX and ALTER on the database
- INSERT and UPDATE on the config table
For reference or if you want to create the table schema for yourself to avoid having to give PrivateBin too many permissions (replace
`prefix_` with your own table prefix and create the table schema with your favourite MySQL console):
For reference or if you want to create the table schema for yourself to avoid
having to give PrivateBin too many permissions (replace `prefix_` with your own
table prefix and create the table schema with your favourite MariaDB/MySQL
client):
```sql
CREATE TABLE prefix_paste (
@ -199,7 +217,7 @@ to be `CLOB` and not `BLOB` or `MEDIUMBLOB`, the `id` column in the `config`
table needs to be `VARCHAR2(16)` and the `meta` column in the `paste` table
and the `value` column in the `config` table need to be `VARCHAR2(4000)`.
### Using Google Cloud Storage
#### Using Google Cloud Storage
If you want to deploy PrivateBin in a serverless manner in the Google Cloud, you
can choose the `GoogleCloudStorage` as backend. To use this backend, you create
a GCS bucket and specify the name as the model option `bucket`. Alternatively,

51
README.md
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@ -2,24 +2,26 @@
*Current version: 1.3.5*
**PrivateBin** is a minimalist, open source online [pastebin](https://en.wikipedia.org/wiki/Pastebin)
**PrivateBin** is a minimalist, open source online
[pastebin](https://en.wikipedia.org/wiki/Pastebin)
where the server has zero knowledge of pasted data.
Data is encrypted and decrypted in the browser using 256bit AES in [Galois Counter mode](https://en.wikipedia.org/wiki/Galois/Counter_Mode).
Data is encrypted and decrypted in the browser using 256bit AES in
[Galois Counter mode](https://en.wikipedia.org/wiki/Galois/Counter_Mode).
This is a fork of ZeroBin, originally developed by
[Sébastien Sauvage](https://github.com/sebsauvage/ZeroBin). ZeroBin was refactored
to allow easier and cleaner extensions. PrivateBin has many more features than the
original ZeroBin. It is, however, still fully compatible to the original ZeroBin 0.19
[Sébastien Sauvage](https://github.com/sebsauvage/ZeroBin). PrivateBin was
refactored to allow easier and cleaner extensions and has many additional
features. It is, however, still fully compatible to the original ZeroBin 0.19
data storage scheme. Therefore, such installations can be upgraded to PrivateBin
without losing any data.
## What PrivateBin provides
+ As a server administrator you don't have to worry if your users post content
that is considered illegal in your country. You have no knowledge of any
of the pastes content. If requested or enforced, you can delete any paste from
your system.
that is considered illegal in your country. You have plausible deniability of
any of the pastes content. If requested or enforced, you can delete any paste
from your system.
+ Pastebin-like system to store text documents, code samples, etc.
@ -31,13 +33,13 @@ without losing any data.
## What it doesn't provide
- As a user you have to trust the server administrator not to inject any malicious
javascript code.
For basic security, the PrivateBin installation *has to provide HTTPS*!
Otherwise you would also have to trust your internet provider, and any country
the traffic passes through.
Additionally the instance should be secured by
[HSTS](https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security). It can use traditional certificate authorities and/or use
- As a user you have to trust the server administrator not to inject any
malicious code. For security, a PrivateBin installation *has to be used over*
*HTTPS*! Otherwise you would also have to trust your internet provider, and
any jurisdiction the traffic passes through. Additionally the instance should
be secured by
[HSTS](https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security). It can
use traditional certificate authorities and/or use a
[DNSSEC](https://en.wikipedia.org/wiki/Domain_Name_System_Security_Extensions)
protected
[DANE](https://en.wikipedia.org/wiki/DNS-based_Authentication_of_Named_Entities)
@ -45,18 +47,17 @@ without losing any data.
- The "key" used to encrypt the paste is part of the URL. If you publicly post
the URL of a paste that is not password-protected, anyone can read it.
Use a password if you want your paste to be private. In this case, make sure to
use a strong password and only share it privately and end-to-end-encrypted.
Use a password if you want your paste to remain private. In that case, make
sure to use a strong password and share it privately and end-to-end-encrypted.
- A server admin might be forced to hand over access logs to the authorities.
- A server admin can be forced to hand over access logs to the authorities.
PrivateBin encrypts your text and the discussion contents, but who accessed a
paste (first) might still be disclosed via access logs.
- In case of a server breach your data is secure as it is only stored encrypted
on the server. However, the server could be misused or the server admin could
be legally forced into sending malicious JavaScript to all web users, which
grabs the decryption key and sends it to the server when a user accesses a
PrivateBin.
on the server. However, the server could be absused or the server admin could
be legally forced into sending malicious code to their users, which logs
the decryption key and sends it to a server when a user accesses a paste.
Therefore, do not access any PrivateBin instance if you think it has been
compromised. As long as no user accesses this instance with a previously
generated URL, the content can't be decrypted.
@ -77,8 +78,8 @@ file](https://github.com/PrivateBin/PrivateBin/wiki/Configuration):
* Syntax highlighting for source code using prettify.js, including 4 prettify
themes
* File upload support, images get displayed (disabled by default, possibility
to adjust size limit)
* File upload support, image, media and PDF preview (disabled by default, size
limit adjustable)
* Templates: By default there are bootstrap CSS, darkstrap and "classic ZeroBin"
to choose from and it is easy to adapt these to your own websites layout or
@ -89,7 +90,7 @@ file](https://github.com/PrivateBin/PrivateBin/wiki/Configuration):
* Language selection (disabled by default, as it uses a session cookie)
* QR code generation of URL, to easily transfer pastes over to a mobile device
* QR code for paste URLs, to easily transfer them over to mobile devices
## Further resources