screenshot's Introduction

ScreenShot

A small HTTP server that takes a screenshot of a web page.

using Chromium to capture the screenshot and BBolt to cache images.

Install & Usage

Download

git clone https://github.com/twiny/screenshot

Install

go build -o bin/screenshot -v cmd/screen/main.go

Config app configuration

# port to start HTTP server.
port: "81"
# show chromium debug
debug: false
# http request rate limit: 1 req/sec and permits 2 bursts
rate: 1
bursts: 2
# how long images will be stored
image_cache: 10m
# paths
store: "data/app_store"
log: "data/app_log"
chrome_data: "data/chrome"

./bin/screenshot run -c "config.yaml"

Capture

HTTP POST /capture

{
    "url":"https://google.com",
}

Response example

{
    "Status": 200,
    "Payload": {
        "uuid": "c3b5ohg6n88rm0g59b30"
    }
}

Download

HTTP GET /download/{uuid}

if the image was captured successfully this will return the captured image.

in case there was an error capturing the images or the images is still pending captured, a message will be return instead of the emails

Response example

{
   "Status": 500,
   "Payload": "page load error net::ERR_NAME_NOT_RESOLVED"
}

{
   "Status": 500,
   "Payload": "screenshot not yet captured."
}

Stats

HTTP POST /stats

this will return general stats and resource usage.

Response example

{
    "Status": 200,
    "Payload": {
        "Limiter": {
            "total": 1
        },
        "Resources": {
            "CPUs": 4,
            "CompletedGC": 5,
            "GCSize": "4.47M",
            "Goroutine": 4,
            "StackSystem": "480K",
            "System": "70.83M"
        },
        "Store": {
            "fail": 0,
            "pending": 0,
            "success": 1
        }
    }
}

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