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retryablehttp

Heavily inspired from https://github.com/hashicorp/go-retryablehttp.

Usage

Example of using retryablehttp in Go Code is available in examples folder Examples of using Nuclei From Go Code to run templates on targets are provided in the examples folder.

url encoding and parsing issues

retryablehttp.Request by default handles some url encoding and parameters issues. since http.Request internally uses url.Parse() to parse url specified in request it creates some inconsistencies for below urls and other non-RFC compilant urls

// below urls are either normalized or returns error when used in `http.NewRequest()`
https://scanme.sh/%invalid
https://scanme.sh/w%0d%2e/
scanme.sh/with/path?some'param=`'+OR+ORDER+BY+1--

All above mentioned cases are handled internally in retryablehttp.

Note

It is not recommended to update url.URL instance of Request once a new request is created (ex req.URL.Path = xyz) due to internal logic of urls. In any case if it is not possible to follow above point due to some reason helper methods are available to reflect such changes

  • Request.Update() commits any changes made to query parameters (ex: Request.URL.Query().Add(x,y))