71 lines
2.5 KiB
Bash
Executable file
71 lines
2.5 KiB
Bash
Executable file
#!/bin/bash
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# This file contains functions that may be used to make MistServer API calls using your shell.
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# Dependencies: curl, jq, md5sum, cut, cat
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# If any of the dependencies are missing, the functions will warn you and exit.
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#
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# Run a function without arguments for usage information and a short explanation.
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#
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# Function list:
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# - mistCall; Make raw JSON API calls, returning raw JSON results.
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#
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function mistCheckDeps {
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command -v curl >/dev/null 2>&1 && command -v jq >/dev/null 2>&1 && command -v md5sum >/dev/null 2>&1 && command -v cut >/dev/null 2>&1 && command -v cat >/dev/null 2>&1 && return 0
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echo "ERROR: Not all dependencies are installed (curl, jq, md5sum, cut, cat)" >&2
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return 1
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}
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function mistCall {
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mistCheckDeps || return 3
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if [ "$#" -eq 0 ] ; then
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echo "mistCall allows you to pass a partial JSON object and make an API call with it." >&2
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echo "The reply is send to standard output, any errors are send to standard error." >&2
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echo "Returns a non-zero exit code on error." >&2
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echo "" >&2
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echo "The COMMAND passed is inserted into a JSON object as follows:" >&2
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echo " {\"auth\":{...}, COMMAND, \"minimal\":1}" >&2
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echo "" >&2
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fi
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if [ "$#" -ne 4 ] ; then
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echo "ERROR: Usage: mistCall SERVER USERNAME PASSWORD COMMAND" >&2
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return 3
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fi
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#Load auth, if any
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MIST_AUTH=`cat /tmp/MistBashAuth 2> /dev/null`
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#Send request
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RESP=`curl -s -X POST -d "command={${MIST_AUTH}, ${4}, \"minimal\":1}" http://${1}/api/`
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#Catch problems with reaching the server, display clear error message
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if [ "$?" != "0" ] ; then
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echo "ERROR: Could not contact server (${1}), is it correct and online?" >&2
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return 1
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fi
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#Check if this is a challenge
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if [ `echo $RESP | jq -r .authorize.status` == "CHALL" ] ; then
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echo "Challenge detected, (re)calculating login string..." >&2
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PASSW=`echo -n $3 | md5sum | cut -f 1 -d " "`""
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CHALL=`echo $RESP | jq -r .authorize.challenge`
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SUMMD=`echo -n $PASSW$CHALL | md5sum | cut -f 1 -d " "`
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MIST_AUTH="\"authorize\":{\"username\":\"${2}\",\"password\":\"${SUMMD}\"}"
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#Repeat request
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RESP=`curl -s -X POST -d "command={${MIST_AUTH}, ${4}, \"minimal\":1}" http://${1}/api/`
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fi
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#Still a challenge? We must have invalid credentials
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if [ `echo $RESP | jq -r .authorize.status` == "CHALL" ] ; then
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echo "ERROR: User/pass incorrect?" >&2
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return 2
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fi
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#Cache auth credentials for next call
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echo -n $MIST_AUTH > /tmp/MistBashAuth
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#Echo the API call result
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echo $RESP
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}
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