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https://github.com/firefart/gochro
Take screenshots of websites and create PDF from HTML pages using chromium and docker
https://github.com/firefart/gochro
chromium docker golang pdf-generation screenshot screenshot-utility
Last synced: about 1 month ago
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Take screenshots of websites and create PDF from HTML pages using chromium and docker
- Host: GitHub
- URL: https://github.com/firefart/gochro
- Owner: firefart
- License: mit
- Created: 2019-04-02T19:56:24.000Z (over 5 years ago)
- Default Branch: main
- Last Pushed: 2024-10-05T12:03:39.000Z (3 months ago)
- Last Synced: 2024-10-14T17:17:33.703Z (2 months ago)
- Topics: chromium, docker, golang, pdf-generation, screenshot, screenshot-utility
- Language: Go
- Homepage:
- Size: 219 KB
- Stars: 64
- Watchers: 3
- Forks: 7
- Open Issues: 0
-
Metadata Files:
- Readme: Readme.md
- License: LICENSE
Awesome Lists containing this project
README
# gochro
gochro is a small docker image with chromium installed and a golang based webserver to interact with it. It can be used to take screenshots of websites using chromium-headless and convert HTML pages to PDF.
If errors occur the error will be logged to stdout and a non information leaking error message is presented to the user.
This project was used on [https://wpscan.io](https://wpscan.io) for taking website screenshots and to generate PDF reports.
## Screenshot
This URL takes a Screenshot of [https://firefart.at](https://firefart.at) with a resolution of 1024x768 and returns an image.
[http://localhost:8080/screenshot?url=https://firefart.at&w=1024&h=768](http://localhost:8080/screenshot?url=https://firefart.at&w=1024&h=768)
## HTML 2 PDF
Send a POST request with the HTML you want to convert in the Post body to the following url.
[http://localhost:8080/html2pdf?w=1024&h=768](http://localhost:8080/html2pdf?w=1024&h=768)
This will return a PDF of the HTML input.
Example:
```text
POST /html2pdf?w=1024&h=768 HTTP/1.1
Host: localhost:8000
Content-Type: application/x-www-form-urlencoded
Content-Length: 119
Test Page
This is a test
This is a test
```
Example as curl:
```text
curl -s -k -X 'POST' -o test.pdf --data-binary '
test
' 'http://127.0.0.1:8000/html2pdf'
```
## URL 2 PDF
Send a GET request to the following url to get the response as PDF.
[http://localhost:8080/url2pdf?url=https://firefart.at&w=1024&h=768](http://localhost:8080/url2pdf?url=https://firefart.at&w=1024&h=768)
## Run server
To run this image you should use the [seccomp profile](https://github.com/jessfraz/dotfiles/blob/master/etc/docker/seccomp/chrome.json) provided by [Jess Frazelle](https://github.com/jessfraz). The privileges on the host are needed for chromiums internal security sandbox. You can also deactivate the sandbox on chromium (would require changes in `main.go`) but that's a bad idea and puts your server at risk, so please use the seccomp profile instead.
Be sure to use the --init switch to get rid of zombie processes of chromium.
### Command Line Options
```text
-host The host and port to listen of (refers to inside the container). Defaults to 0.0.0.0:8000
-debug Enables debug output. Default: false
-ignore-cert-errors Also fetch ressources from origins with untrusted certificates or cert errors.
-proxy Use a proxy server to connect to the internet. Please use format IP:PORT without a protocol. Example: 1.2.3.4:3128
```
### Use the docker hub image
You can also use the [prebuit image](https://hub.docker.com/r/firefart/gochro) from dockerhub.
To pull the image run
```bash
docker pull firefart/gochro
```
### Include in docker-compose
If you want to include this image in a docker-compose file you can use the following example. Just connect the `gochronet` to the other service so the containers can communicate with each other.
Please note that the `0.0.0.0` in the command only applies to the network inside the docker container itself. If you want to access it from your local machine you need to add a port mapping.
```yml
version: '3.7'
services:
gochro:
image: firefart/gochro
init: true
container_name: gochro
security_opt:
- seccomp="chrome.json"
command: -host 0.0.0.0:8000
networks:
- gochronet
networks:
gochronet:
driver: bridge
```