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brooke 2025-03-07 17:11:18 -05:00
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16
.env.sample
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@ -2,7 +2,17 @@ TYPE=4get
DOMAIN=4get.example.com DOMAIN=4get.example.com
## Domain aliases
#EXTRA_DOMAINS=', `www.4get.example.com`'
LETS_ENCRYPT_ENV=production LETS_ENCRYPT_ENV=production
FOURGET_SERVER_NAME=4get.example.com
FOURGET_SHORT_DESCRIPTION="4get 4get 4get 4get"
## uncomment to customize the instance list
#FOURGET_INSTANCES=https://4get.ca
## Enable captcha protection, please see readme.
#COMPOSE_FILE="$COMPOSE_FILE:compose.captcha.yml"
INCLUDE_NEWS_LINK=false
INCLUDE_4GET_DONATION_LINK=true
INCLUDE_SOURCE_LINK=false

9
README.md
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@ -21,4 +21,11 @@
* `abra app config <app-name>` * `abra app config <app-name>`
* `abra app deploy <app-name>` * `abra app deploy <app-name>`
For more, see [`docs.coopcloud.tech`](https://docs.coopcloud.tech). ### Custom banners
* `abra app cp <app-domain> /local/path/to/banners app:/var/www/html/4get/banner/`
## Captcha
For more, see [`docs.coopcloud.tech`](https://docs.coopcloud.tech).

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about.html.tmpl Normal file
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<a href="/" class="link">&lt; Go back</a>
<h1>Set as default search engine</h1>
<a href="#firefox"><h2 id="firefox">On Firefox and other Gecko based browsers</h2></a>
To set this as your default search engine on Firefox, right click the URL bar and select <div class="code-inline">Add "4get"</div>. Then, visit <a href="about:preferences#search" target="_BLANK" class="link">about:preferences#search</a> and select <div class="code-inline">4get</div> in the dropdown menu.
<a href="#chrome"><h2 id="chrome">On Chromium and Blink based browsers</h2></a>
Click the 3 superpositioned dots at the top right of the screen and click on <div class="code-inline">Settings</div>, then search for <div class="code-inline">default search engine</div>, or visit <a href="chrome://settings/searchEngines">chrome://settings/searchEngines</a>.<br><br>
Once you're there, click the pencil on the last entry under "Search engines" (it's probably DuckDuckGo). Once you do that, a popup will appear. Populate it with the following information:
<table>
<tr>
<td><b>Field</b></td>
<td><b>Value</b></td>
</tr>
<tr>
<td>Search engine</td>
<td>{%server_name%}</td>
</tr>
<tr>
<td>Shortcut</td>
<td>{%server_name%}</td>
</tr>
<tr>
<td>Search URL</td>
<td>https://{{ env "DOMAIN" }}/web?s=%s</td>
</tr>
<tr>
<td>Autocomplete URL</td>
<td>https://{{ env "DOMAIN" }}/api/v1/ac?s=%s</td>
</tr>
</table>
Once that's done, click <div class="code-inline">Save</div>. Then, on the right handside of the newly created entry, open the dropdown menu and select <div class="code-inline">Make default</div>.
<br><br>
<h2 id="DMCA">Message to all DMCA enforcers</h2>
This server hosts no content. Everything you see here is <u>proxied</u> and this service provides no endorcement of any content. Please reach out to the service hosting the infringing content instead.<br><br>

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export ROBOTS_TXT_VERSION=v1
export ABOUT_HTML_VERSION=v1
export HEADER_HTML_VERSION=v1
export HOME_HTML_VERSION=v1
export API_TXT_VERSION=v1

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api.txt.tmpl Normal file
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+ Welcome to the 4get API documentation +
+ Terms of use
- Human-Driven Requests Only: API requests must be initiated by
humans (e.g., chatroom bots presenting user-driven search results).
- No Automated Scraping: Do not use the API to scrape website SEO
content or engage in automated extraction without authorization.
- No Requests for Illegal Activities: Do not request or distribute
content related to illegal activities as defined by the jurisdiction
of the server hosting the service.
- Limit Test Queries: Avoid submitting constant "test queries."
Use caching for API responses during development to minimize
unnecessary requests.
+ Passes
Depending of the instance, you may need to provide a "pass" token
in the cookies of your request. These can be obtained from solving
a captcha which will allow you to make 100 requests in the next 24
hours. In the future, you will be able to ask the serber maintainer
for a "pass" which will allow you to bypass the captcha requirement.
The captcha doesn't need javascript to work.
+ Decode the data
All payloads returned by the API are encoded in the JSON format. If
you don't know how to tackle the problem, maybe programming is not
for you.
All of the endpoints use the GET method.
+ Check if an API call was successful
All API responses come with an array index named "status". If the
status is something else than the string "ok", something went wrong.
You can supply the content of the "status" string back to your
application to inform the user of what went wrong.
The HTTP code will be 429 if your pass is invalid. It is set to 200
otherwise.
+ Get the next page of results
All API responses come with an array index named "npt". To get the
next page of results, you must make another API call with &npt.
Example ::
+ First API call
/api/v1/web?s=higurashi
+ Second API call
/api/v1/web?npt=ddg1._rJ2hWmYSjpI2hsXWmYajJx < ... >
You shouldn't specify the search term, only the &npt parameter
suffices.
The first part of the token before the dot (ddg1) refers to an
array position on the serber's memory. The second part is an
encryption key used to decode the data at that position. This way,
it is impossible to supply invalid pagination data and it is
impossible for a 4get operator to peek at the private data of the
user after a request has been made.
The tokens will expire as soon as they are used or after a 15
minutes inactivity period, whichever comes first.
+ Beware of null values!
Most fields in the API responses can return "null". You don't need
to worry about unset values.
+ API Parameters
To construct a valid request, you can use the 4get web interface
to craft a valid request, and replace "/web" with "/api/v1/web".
+ "date" and "time" parameters
"date" always refer to a calendar date.
"time" always refer to the duration of some media.
They are both integers that uses seconds as its unit. The "date"
parameter specifies the number of seconds that passed since January
1st 1970.
______ __ _ __
/ ____/___ ____/ /___ ____ (_)___ / /______
/ __/ / __ \/ __ / __ \/ __ \/ / __ \/ __/ ___/
/ /___/ / / / /_/ / /_/ / /_/ / / / / / /_(__ )
/_____/_/ /_/\__,_/ .___/\____/_/_/ /_/\__/____/
/_/
+ /ami4get
Tells you basic information about the 4get instance. CORS requests
are allowed on this endpoint.
+ /api/v1/web
+ &extendedsearch
When using the ddg(DuckDuckGo) scraper, you may make use of the
&extendedsearch parameter. If you need rich answer data from
additional sources like StackOverflow, music lyrics sites, etc.,
you need to specify the value of (string)"true".
The default value is "false" for API calls.
+ Parse the "spelling"
The array index named "spelling" contains 3 indexes ::
spelling:
type: "including"
using: "4chan"
correction: '"4cha"'
The "type" may be any of these 3 values. When rendering the
autocorrect text inside your application, it should look like
what follows right after the parameter value ::
no_correction <Empty>
including Including results for %using%. Did you mean
%correction%?
not_many Not many results for %using%. Did you mean
%correction%?
As of right now, the "spelling" is only available on
"/api/v1/web".
+ Parse the "answer"
The array index named "answer" may contain a list of multiple
answers. The array index "description" contains a linear list of
nodes that can help you construct rich formatted data inside of
your application. The structure is similar to the one below:
answer:
0:
title: "Higurashi"
description:
0:
type: "text"
value: "Higurashi is a great show!"
1:
type: "quote"
value: "Source: my ass"
Each "description" node contains an array index named "type".
Here is a list of them:
text
+ title
italic
+ quote
+ code
inline_code
link
+ image
+ audio
Each individual node prepended with a "+" should be prepended by
a newline when constructing the rendered description object.
There are some nodes that differ from the type-value format.
Please parse them accordingly ::
+ link
type: "link"
url: "https://lolcat.ca"
value: "Visit my website!"
+ image
type: "image"
url: "https://lolcat.ca/static/pixels.png"
+ audio
type: "audio"
url: "https://lolcat.ca/static/whatever.mp3"
The array index named "table" is an associative array. You can
loop over the data using this PHP code, for example ::
foreach($table as $website_name => $url){ // ...
The rest of the JSON is pretty self explanatory.
+ /api/v1/images
All images are contained within "image". The structure looks like
below ::
image:
0:
title: "My awesome Higurashi image"
source:
0:
url: "https://lolcat.ca/static/profile_pix.png"
width: 400
height: 400
1:
url: "https://lolcat.ca/static/pixels.png"
width: 640
height: 640
2:
url: "https://tse1.mm.bing.net/th?id=OIP.VBM3BQg
euf0-xScO1bl1UgHaGG"
width: 194
height: 160
The last image of the "source" array is always the thumbnail, and is
a good fallback to use when other sources fail to load. There can be
more than 1 source; this is especially true when using the Yandex
scraper, but beware of captcha rate limits.
+ /api/v1/videos
The "time" parameter for videos may be set to "_LIVE". For live
streams, the amount of people currently watching is passed in
"views".
+ /api/v1/news
Just make a request to "/api/v1/news?s=elon+musk". The payload
has nothing special about it and is very self explanatory, just like
the endpoint above.
+ /api/v1/music
Each entry under "song" contains a array index called "stream" that
looks like this ::
endpoint: sc
url: https://api-v2.soundcloud <...>
When the endpoint is something else than "linear", you MUST use
the specified endpoint. Otherwise, you are free to handle that
json+m3u8 crap yourself. If the endpoint is equal to "linear", the
URL should return a valid HTTP audio stream. To access the endpoint,
you must add the following prefix in your request, like so:
https://4get.ca/audio/<endpoint>?s=<url>
+ /favicon
Get the favicon for a website. The only parameter is "s", and must
include the protocol for fetching in case the favicon is not cached
yet.
Example ::
/favicon?s=https://lolcat.ca
If we had to revert to using Google's favicon cache, it will throw
an error in the X-Error header field. If Google's favicon cache
also failed to return an image, or if you're too retarded to specify
a valid domain name, a default placeholder image will be returned
alongside the "404" HTTP error code.
+ /proxy
Get a proxied image. Useful if you don't want to leak your user's IP
address. The parameters are "i" for the image link and "s" for the
size.
Acceptable "s" parameters:
portrait 90x160
landscape 160x90
square 90x90
thumb 236x180
cover 207x270
original <Original resolution>
You can also ommit the "s" parameter if you wish to view the
original image. When an error occurs, an "X-Error" header field
is set.
+ /audio/linear
Get a proxied audio file. Does not support "Range" headers, as it's
only used to proxy small files (hence why it's called linear DUH)
The parameter is "s" for the audio link.
+ /audio/sc
Get a proxied audio file for SoundCloud. Does not support downloads
trough WGET or CURL, since it returns 30kb~160kb "206 Partial
Content" parts, due to technical limitations that comes with
converting m3u8 playlists to seekable audio files. If you use this
endpoint, you must support these 206 codes and also handle the
initial 302 HTTP redirect. I used this method as I didn't want to
store information about your request needlessly. This method also
allows noJS users to access the files.
The parameter is "s" for the SoundCloud JSON m3u8 abomination. It
does not support "normal" SoundCloud URLs at this time.
+ /audio/spotify
Get a proxied Spotify audio file. Accepts a track ID for the "s"
parameter. Will only allow you to fetch the 30 second preview.
+ Appendix
If you have any questions or need clarifications, please send an
email my way to will at lolcat.ca

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compose.captcha.yml Normal file
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@ -0,0 +1,12 @@
---
version: "3.11"
services:
app:
environment:
- FOURGET_BOT_PROTECTION=1
volumes:
- captcha:/var/www/html/4get/data/captcha
volumes:
captcha:

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compose.yml
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@ -1,9 +1,11 @@
--- ---
version: "3.8" version: "3.11"
services: services:
app: app:
image: nginx:1.20.0 image: luuul/4get:1.0.21
environment:
- FOURGET_PROTO=http
networks: networks:
- proxy - proxy
deploy: deploy:
@ -12,21 +14,55 @@ services:
labels: labels:
- "traefik.enable=true" - "traefik.enable=true"
- "traefik.http.services.${STACK_NAME}.loadbalancer.server.port=80" - "traefik.http.services.${STACK_NAME}.loadbalancer.server.port=80"
- "traefik.http.routers.${STACK_NAME}.rule=Host(`${DOMAIN}`${EXTRA_DOMAINS})" - "traefik.http.routers.${STACK_NAME}.rule=Host(`${DOMAIN}`)"
- "traefik.http.routers.${STACK_NAME}.entrypoints=web-secure" - "traefik.http.routers.${STACK_NAME}.entrypoints=web-secure"
- "traefik.http.routers.${STACK_NAME}.tls.certresolver=${LETS_ENCRYPT_ENV}" - "traefik.http.routers.${STACK_NAME}.tls.certresolver=${LETS_ENCRYPT_ENV}"
## Redirect from EXTRA_DOMAINS to DOMAIN
#- "traefik.http.routers.${STACK_NAME}.middlewares=${STACK_NAME}-redirect"
#- "traefik.http.middlewares.${STACK_NAME}-redirect.headers.SSLForceHost=true"
#- "traefik.http.middlewares.${STACK_NAME}-redirect.headers.SSLHost=${DOMAIN}"
- "coop-cloud.${STACK_NAME}.version=" - "coop-cloud.${STACK_NAME}.version="
volumes:
- banners:/var/www/html/4get/banner/
configs:
- source: robots_txt
target: /robots.txt
- source: about_html
target: /var/www/html/4get/template/about.html
- source: home_html
target: /var/www/html/4get/template/home.html
- source: api_txt
target: /var/www/html/4get/api.txt
- source: header_html
target: /var/www/html/4get/template/header.html
healthcheck: healthcheck:
test: ["CMD", "curl", "-f", "http://localhost"] test: [ "CMD", "curl", "-f", "http://localhost" ]
interval: 30s interval: 30s
timeout: 10s timeout: 10s
retries: 10 retries: 10
start_period: 1m start_period: 1m
configs:
robots_txt:
name: ${STACK_NAME}_entrypoint_conf_${ROBOTS_TXT_VERSION}
file: robots.txt.tmpl
template_driver: golang
about_html:
name: ${STACK_NAME}_about_html_${ABOUT_HTML_VERSION}
file: about.html.tmpl
template_driver: golang
home_html:
name: ${STACK_NAME}_home_html_${HOME_HTML_VERSION}
file: home.html.tmpl
template_driver: golang
api_txt:
name: ${STACK_NAME}_api_txt_${API_TXT_VERSION}
file: api.txt.tmpl
template_driver: golang
header_html:
name: ${STACK_NAME}_header_html_${HEADER_HTML_VERSION}
file: header.html.tmpl
template_driver: golang
volumes:
banners:
networks: networks:
proxy: proxy:
external: true external: true

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header.html.tmpl Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<title>{%title%}</title>
<link title="{%server_name%}" href="/opensearch{%ac%}" rel="search" type="application/opensearchdescription+xml">
<link rel="stylesheet" href="/static/style.css?v{%version%}">
{%style%}
<meta name="viewport" content="width=device-width,initial-scale=1">
<meta name="robots" content="{%index%}index,{%index%}follow">
<link rel="icon" type="image/x-icon" href="/favicon.ico">
<meta name="description" content="{%server_name%} - {{ env "FOURGET_SHORT_DESCRIPTION" }}">
</head>
<body>
<div class="navigation">
<a href="/">Home</a>
<a href="/settings">Settings</a>
{{ if eq (env "INCLUDE_NEWS_LINK" ) "true" }}
<a href="https://git.lolcat.ca/lolcat/4get_news" target="_BLANK">News</a>
{{ end }}
</div>
<form method="GET" autocomplete="off">
<div class="searchbox">
<input type="submit" value="Search" tabindex="-1">
<div class="wrapper">
<input type="text" value="{%search%}" maxlength="500" name="s" placeholder="Proxy search..." required>
</div>
<div class="autocomplete"></div>
</div>
<div class="tabs">
{%tabs%}
</div>
<div class="filters">
{%filters%}
</div>
</form>

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home.html.tmpl Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<title>{%server_name%}</title>
<link title="{%server_name%}" href="/opensearch{%ac%}" rel="search" type="application/opensearchdescription+xml">
<link rel="sitemap" type="application/xml" title="Sitemap" href="/sitemap">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="stylesheet" href="/static/style.css?v{%version%}">
{%style%}
<meta name="robots" content="index,follow">
<link rel="icon" type="image/x-icon" href="/favicon.ico">
<meta name="description" content="{%server_name%} - {{ env "FOURGET_SHORT_DESCRIPTION" }}">
</head>
<body class="home">
<div id="center">
<form method="GET" autocomplete="off" action="web">
<div class="logo">
<a href="/">
<img src="{%banner%}" alt="4get">
</a>
</div>
<div class="searchbox">
<input type="submit" value="Search" tabindex="-1">
<div class="wrapper">
<input type="text" maxlength="500" name="s" placeholder="Proxy search..." required autofocus>
</div>
<div class="autocomplete"></div>
</div>
</form>
<a href="settings">Settings</a> • <a href="instances">Instances</a> • {{ if eq (env "INCLUDE_NEWS_LINK" ) "true" }} <a href="https://git.lolcat.ca/lolcat/4get_news">News</a> • {{ end }}<a href="api.txt">API</a> • <a href="about">About</a>{{ if eq (env "INCLUDE_SOURCE_LINK" ) "true" }} • <a href="https://git.lolcat.ca/lolcat/4get">Source</a><br>{{ end }}
<br><br><a href="/donate"><b>Donate to 4get</b></a>
</div>
<script src="/static/client.js?v{%version%}"></script>
</body>
</html>

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robots.txt.tmpl Normal file
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User-agent: *
Disallow:
Host: {{ env "DOMAIN" }}
Sitemap: https://{{ env "DOMAIN" }}/sitemap