60 lines
1.6 KiB
Bash
Executable File
60 lines
1.6 KiB
Bash
Executable File
#! /bin/bash
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# https://unix.stackexchange.com/a/423052
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function find_free_port {
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comm -23 <(seq 49152 65535 | sort) <(ss -Htan | awk '{print $4}' | cut -d':' -f2 | sort -u) | shuf | head -n 1
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}
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# gen_webhook "REPO_URL"
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#function gen_webhook {
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# echo "{ \"project\": { \"git_http_url\": \"$1\" } }"
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#}
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function gen_webhook() {
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export repo_url="$2"
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envsubst < "$1"
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}
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# send_webhook "ENDPOINT" "PAYLOAD" "SECRET" "HEADER"
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# ENDPOINT: where to send the request
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# PAYLOAD: POST body
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# SECRET: the secret for this transaction
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# HEADER: where to store the secret
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function send_webhook {
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echo "$2" > $TMPFILE
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# We can make a few attempts, just in case the webserver hasn't started yet
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n=0
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while [[ "$status" != "0" ]]; do
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if [ $n -eq 3 ]; then
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# Failed to reach server after 3 attempts
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return 1;
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fi
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# --data-binary so that newlines aren't broken
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# (otherwise, signature won't match)
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run curl --header "Content-Type: application/json" \
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--header ""$4": "$3"" \
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--request POST \
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--data-binary @$TMPFILE \
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-s -w "%{http_code}" \
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"$1"
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# Requested succeeded, break out of loop
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if [ $status -eq 0 ]; then
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echo "$output"
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if [[ ! "$output" = 200 ]]; then return 2; fi
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return 0;
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fi
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((n++))
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done
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}
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# https://stackoverflow.com/a/7385197
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function hash_hmac {
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digest="$1"
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data="$2"
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key="$3"
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shift 3
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# Don't print (stdin)= ...
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echo -n "$data" | openssl dgst "-$digest" -hmac "$key" | awk '{print $2}'
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}
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