mirror of
https://github.com/rawiriblundell/wiki.bash-hackers.org
synced 2024-11-01 16:43:08 +01:00
117 lines
4.9 KiB
Markdown
117 lines
4.9 KiB
Markdown
# wiki.bash-hackers.org
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The popular wiki.bash-hackers.org had its DNS expire in April 2023, with the owner seemingly being incommunicado. It looked like this domain would be in the region of €1k to purchase - ouch.
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Fortunately, Archive.org has snapshotted this website, and so we can extract wiki.bash-hackers.org from archive.org's Wayback Machine.
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Additionally, the web server behind wiki.bash-hackers.org is still running, for now, so we can use an entry in our `hosts` file (`/etc/hosts` on *nix, `c:\Windows\System32\Drivers\etc\hosts` on Windows) that reads:
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```bash
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83.243.40.67 wiki.bash-hackers.org
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```
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This repo is targeting pages that have been captured by the Wayback Machine that specifically have `?do=edit` on the end of their URL. These pages give us the Dokuwiki Markup source, relatively unmolested - maybe with a bit of errant html to strip. We then convert the original source to GitHub markdown.
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See the incomplete script "archive_crawler" to see my working. I would not recommend blindly running it - it's beta quality at best. Just read it and this page to follow the logic... or just fork this repo... or whatever, I'm not your Dad.
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- TODO: Markdown linting and transformations
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- TODO: Perhaps add a "This was downloaded from [wayback url here] on [date]" to each page...
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- TODO: Import page-edit history as git log entries? `?do=revisions` is the secret sauce there...
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## Getting the latest capture URL from archive.org
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archive.org does not appear to have an exhaustive API, but it does have at least one API call that is relevant to our needs. It's called `available`.
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How it works is you run a `curl -X GET` against `https://archive.org/wayback/available?url=[YOUR URL HERE]` and it returns to you with a bit of JSON. For example:
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```bash
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curl -s -X GET "https://archive.org/wayback/available?url=https://wiki.bash-hackers.org/howto/mutex?do=edit" | jq -r '.'
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{
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"url": "https://wiki.bash-hackers.org/howto/mutex?do=edit",
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"archived_snapshots": {
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"closest": {
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"status": "200",
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"available": true,
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"url": "http://web.archive.org/web/20220615023742/https://wiki.bash-hackers.org/howto/mutex?do=edit",
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"timestamp": "20220615023742"
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}
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}
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}
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```
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The path `'.archived_snapshots.closest.url'` will, therefore, either have a URL of a latest capture, or it will return `null`.
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Because different pages have different timestamps in their capture, you can't just do something like:
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```bash
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curl -s -X GET "http://web.archive.org/web/20220615023742/https://wiki.bash-hackers.org/some/other/page?do=edit"
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```
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Because the timestamp in the URL may or may not match. So we use this API call to locate genuine resources.
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## Extracting the Dokuwiki Markup
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So the pages that have `'?do-edit'` on the end of their URL appear to have a reliable and predictable structure:
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```bash
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[ LINES ABOVE REMOVED FOR BREVITY ]
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<div class="toolbar group">
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<div id="draft__status" class="draft__status"></div>
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<div id="tool__bar" class="tool__bar"></div>
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</div>
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<form id="dw__editform" method="post" action="" accept-charset="utf-8" class=" form-inline"><div class="no">
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<input type="hidden" name="sectok" value=""/><input type="hidden" name="id" value="wishes"/>[REST OF LINE REMOVED FOR BREVITY]
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[ TARGET DOKUWIKI MARKUP CODE EXISTS HERE]
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</textarea>
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<div id="wiki__editbar" class="editBar">
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<div id="size__ctl">
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</div>
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[ LINES BELOW REMOVED FOR BREVITY ]
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```
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So basically, we remove everything from the first line to the line that contains `name="sectok"`, and then we remove everything after `</textarea>`, and what's left should be the Dokuwiki Markup that we want.
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## Converting to Markdown
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We'll convert to Github Markdown using `pandoc`
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Custom edits that `pandoc` doesn't handle will have to be figured out over time.
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### Note panels
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The original dokuwiki source has several of the following entries:
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```bash
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\<note tip\>The syntax is somewhat confusing in that you would think
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that the arrow would point in the direction of the copy, but it's
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reversed. So it's `target>&source` effectively.\</note\>
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```
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We convert these to markdown tables with emojis .e.g
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```bash
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| :bulb: The syntax is somewhat confusing in that you would think
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that the arrow would point in the direction of the copy, but it's
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reversed. So it's `target>&source` effectively. |
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| --- |
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```
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## LICENSE
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As per the original wiki.bash-hackers.org:
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> Except where otherwise noted, content on this wiki is licensed under the following license:
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>
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> [GNU Free Documentation License 1.3](https://web.archive.org/web/20220930131429/http://www.gnu.org/licenses/fdl-1.3.html)
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## COPYRIGHT
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The original copyright belongs to Jan Schampera (TheBonsai) and subsequent contributors, 2007 - 2023.
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It's extremely important to me that copyright and attribution are given where required - the original contributors are worth their dues, and IIRC I'm one of them.
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If you're one of the original contributors and you believe I've violated your copyright in anyway, please let me know in the first instance.
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