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#bash #uri_parser bash uri parser
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#!/bin/bash | |
# | |
# URI parsing function | |
# | |
# The function creates global variables with the parsed results. | |
# It returns 0 if parsing was successful or non-zero otherwise. | |
# | |
# [schema://][user[:password]@]host[:port][/path][?[arg1=val1]...][#fragment] | |
# | |
# from http://vpalos.com/537/uri-parsing-using-bash-built-in-features/ | |
# | |
function uri_parser() { | |
# uri capture | |
uri="$@" | |
# safe escaping | |
uri="${uri//\`/%60}" | |
uri="${uri//\"/%22}" | |
# top level parsing | |
pattern='^(([a-z]{3,5})://)?((([^:\/]+)(:([^@\/]*))?@)?([^:\/?]+)(:([0-9]+))?)(\/[^?]*)?(\?[^#]*)?(#.*)?$' | |
[[ "$uri" =~ $pattern ]] || return 1; | |
# component extraction | |
uri=${BASH_REMATCH[0]} | |
uri_schema=${BASH_REMATCH[2]} | |
uri_address=${BASH_REMATCH[3]} | |
uri_user=${BASH_REMATCH[5]} | |
uri_password=${BASH_REMATCH[7]} | |
uri_host=${BASH_REMATCH[8]} | |
uri_port=${BASH_REMATCH[10]} | |
uri_path=${BASH_REMATCH[11]} | |
uri_query=${BASH_REMATCH[12]} | |
uri_fragment=${BASH_REMATCH[13]} | |
# path parsing | |
count=0 | |
path="$uri_path" | |
pattern='^/+([^/]+)' | |
while [[ $path =~ $pattern ]]; do | |
eval "uri_parts[$count]=\"${BASH_REMATCH[1]}\"" | |
path="${path:${#BASH_REMATCH[0]}}" | |
let count++ | |
done | |
# query parsing | |
count=0 | |
query="$uri_query" | |
pattern='^[?&]+([^= ]+)(=([^&]*))?' | |
while [[ $query =~ $pattern ]]; do | |
eval "uri_args[$count]=\"${BASH_REMATCH[1]}\"" | |
eval "uri_arg_${BASH_REMATCH[1]}=\"${BASH_REMATCH[3]}\"" | |
query="${query:${#BASH_REMATCH[0]}}" | |
let count++ | |
done | |
# return success | |
return 0 | |
} | |
## USAGE | |
# echo "uri_schema = $uri_schema" | |
# echo "uri_address = $uri_address" | |
# echo "uri_user = $uri_user" | |
# echo "uri_password = $uri_password" | |
# echo "uri_host = $uri_host" | |
# echo "uri_port = $uri_port" |
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