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imported>Jeremy-busk at 23:14, 4 June 2019
2019-06-04T23:14:58Z
<p></p>
<p><b>New page</b></p><div># Requests Library<br />
<br />
https://github.com/JakobGreen/lua-requests#sending-data<br />
<br />
Ubuntu install<br />
```<br />
apt install -y luarocks lua5.3 lua-sec libssl-dev liblua5.3-dev lua-basexx<br />
luarocks install lua-requests<br />
```<br />
<br />
# NGINX<br />
<br />
http {<br />
lua_package_path "/etc/nginx/lua/?.lua;;";<br />
<br />
# Snippets<br />
<br />
https://github.com/openresty/lua-nginx-module<br />
<br />
```<br />
s = 'one two'<br />
words = {}<br />
for word in s:gmatch("%w+") do table.insert(words, word) end<br />
print(words[2])<br />
```<br />
<br />
```<br />
s = string.match('first last', '%S-$')<br />
```<br />
<br />
```<br />
user_pass = "myuser:mypass"<br />
username = string.match(user_pass, '(.*):')<br />
```<br />
<br />
##CJSON<br />
```<br />
local cjson = require "cjson"<br />
if cjson.decode(ngx.var.request_body).method == "eth_accounts" then<br />
ngx.say('passes')<br />
end<br />
```<br />
<br />
# Crypto<br />
<br />
https://github.com/wahern/luaossl<br />
<br />
now you can support secp256k1 and others<br />
<br />
# JWT<br />
<br />
https://github.com/SkyLothar/lua-resty-jwt#methods<br />
<br />
or https://github.com/altexy/lua-resty-jwt<br />
<br />
doesn't appear to support ES512 maybe mix with the above or write your own lib<br />
<br />
limited <br />
<br />
# Resources<br />
<br />
* https://github.com/openresty/lua-nginx-module<br />
* http://lua-users.org/wiki/PatternsTutorial<br />
* http://lua-users.org/wiki/StringLibraryTutorial<br />
* https://stackoverflow.com/questions/46151554/openresty-make-an-http-call-with-lua-and-return-its-parsed-result</div>
imported>Jeremy-busk