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2020-04-02 15:57:56 -04:00

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#!/bin/sh
. ./trace.sh
web() {
trace "Entering web()..."
local msg=${1}
local url
local body
local tor
local returncode
local response
local result
trace "[web] msg=${msg}"
url=$(echo ${msg} | jq ".url")
trace "[web] url=${url}"
body=$(echo ${msg} | jq -e ".body")
# jq -e will have a return code of 1 if the supplied tag is null.
if [ "$?" -eq "0" ]; then
# body tag not null, so it's a POST
# The body field has been based-64 to avoid dealing with escaping special chars
body=$(echo "${body}" | base64 -d)
trace "[web] body=${body}"
else
body=
trace "[web] no body, GET request"
fi
tor=$(echo ${msg} | jq -e ".tor")
# jq -e will have a return code of 1 if the supplied tag is null.
if [ "$?" -ne "0" ]; then
# tor tag null
tor=false
fi
trace "[web] tor=${tor}"
response=$(curl_it "${url}" "${body}" "${tor}")
returncode=$?
trace_rc ${returncode}
echo "${response}"
return ${returncode}
}
curl_it() {
trace "Entering curl_it()..."
local url=$(echo "${1}" | tr -d '"')
local data=${2}
local tor=${3}
local returncode
local response
local rnd=$(dd if=/dev/urandom bs=5 count=1 | xxd -pc 5)
if [ "${tor}" = "true" ] && [ -n "${TOR_HOST}" ]; then
# If we want to use tor and the tor host config exists
tor="--socks5-hostname ${TOR_HOST}:${TOR_PORT}"
else
tor=""
fi
if [ -n "${data}" ]; then
trace "[curl_it] curl ${tor} -o webresponse-${rnd} -m 20 -w \"%{http_code}\" -H \"Content-Type: application/json\" -H \"X-Forwarded-Proto: https\" -d \"${data}\" -k ${url}"
rc=$(curl ${tor} -o webresponse-${rnd} -m 20 -w "%{http_code}" -H "Content-Type: application/json" -H "X-Forwarded-Proto: https" -d "${data}" -k ${url})
returncode=$?
else
trace "[curl_it] curl ${tor} -o webresponse-$$ -m 20 -w \"%{http_code}\" -k ${url}"
rc=$(curl ${tor} -o webresponse-${rnd} -m 20 -w "%{http_code}" -k ${url})
returncode=$?
fi
trace "[curl_it] HTTP return code=${rc}"
trace_rc ${returncode}
if [ "${returncode}" -eq "0" ]; then
response=$(cat webresponse-${rnd} | base64 | tr -d '\n' ; rm webresponse-${rnd})
else
response=
fi
# When curl is unable to connect, http_code is "000" which is not a valid JSON number
[ "${rc}" -eq "0" ] && rc=0
response="{\"curl_code\":${returncode},\"http_code\":${rc},\"body\":\"${response}\"}"
echo "${response}"
if [ "${returncode}" -eq "0" ]; then
if [ "${rc}" -lt "400" ]; then
return 0
else
return ${rc}
fi
else
return ${returncode}
fi
}