README.md
In hrbrmstr/cfhttr: Workaround Cloudflare Anti-DDoS Protection
cfhttr
Workaround Cloudflare Anti-DDoS Protection
Description
Some sites use Cloudflare’s anti-DDoS protection to, well, avoid being
DDoS’d.
However, many of these sites also host files that they intended for
automated download workflows and often forget to exclude those from the
heavy-handed anti-DDoS, javascript + human-required settings.
Cloudflare employs a few different anti-DDoS protection schemes. One
involves a 503 HTTP response followed by the submission of a “challenge”
that was solved via a bit of javascript on the page. That’s what this
pacakge handles. If you encounter other Cloudflare anti-DDoS protection
schemes (especially the captcha one), then this won’t work.
NOTE
If this ceases to work it likely means that Cloudflare changed the
challenge code. Please file an
issue so I can redo the
workaround.
What’s Inside The Tin
The following functions are implemented:
cf_GET: Cloudflare bypass version of httr::GET()
Installation
devtools::install_github("hrbrmstr/cfhttr")
Usage
library(cfhttr)
# current verison
packageVersion("cfhttr")
## [1] '0.1.0'
res <- cf_GET("https://www.bitmarket.pl/graphs/BTCPLN/90m.json")
## Waiting 5 seconds...
str(httr::content(res, as="parsed"))
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hrbrmstr/cfhttr documentation built on May 13, 2019, 6:14 p.m.
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cfhttr
Workaround Cloudflare Anti-DDoS Protection
Description
Some sites use Cloudflare’s anti-DDoS protection to, well, avoid being DDoS’d.
However, many of these sites also host files that they intended for automated download workflows and often forget to exclude those from the heavy-handed anti-DDoS, javascript + human-required settings.
Cloudflare employs a few different anti-DDoS protection schemes. One involves a 503 HTTP response followed by the submission of a “challenge” that was solved via a bit of javascript on the page. That’s what this pacakge handles. If you encounter other Cloudflare anti-DDoS protection schemes (especially the captcha one), then this won’t work.
NOTE
If this ceases to work it likely means that Cloudflare changed the challenge code. Please file an issue so I can redo the workaround.
What’s Inside The Tin
The following functions are implemented:
cf_GET: Cloudflare bypass version ofhttr::GET()
Installation
devtools::install_github("hrbrmstr/cfhttr")
Usage
library(cfhttr)
# current verison
packageVersion("cfhttr")
## [1] '0.1.0'
res <- cf_GET("https://www.bitmarket.pl/graphs/BTCPLN/90m.json")
## Waiting 5 seconds...
str(httr::content(res, as="parsed"))
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