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Fixes #18296
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,87 @@ | ||
source $stdenv/setup | ||
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# Curl flags to handle redirects, not use EPSV, handle cookies for | ||
# servers to need them during redirects, and work on SSL without a | ||
# certificate (this isn't a security problem because we check the | ||
# cryptographic hash of the output anyway). | ||
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set -o noglob | ||
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curl="curl \ | ||
--location \ | ||
--max-redirs 20 \ | ||
--retry 2 \ | ||
--disable-epsv \ | ||
--cookie-jar cookies \ | ||
--insecure \ | ||
--speed-time 5 \ | ||
-# \ | ||
--fail \ | ||
$curlOpts \ | ||
$NIX_CURL_FLAGS" | ||
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finish() { | ||
runHook postFetch | ||
set +o noglob | ||
exit 0 | ||
} | ||
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ipfs_add() { | ||
if curl --retry 0 --head --silent "localhost:5001" > /dev/null; then | ||
echo "[0m[01;36m=IPFS=[0m add $ipfs" | ||
tar --owner=root --group=root -cWf "source.tar" $(echo *) | ||
res=$(curl -# -F "file=@source.tar" "localhost:5001/api/v0/tar/add" | sed 's/.*"Hash":"\(.*\)".*/\1/') | ||
if [ $ipfs != $res ]; then | ||
echo "\`ipfs tar add' results in $res when $ipfs is expected" | ||
exit 1 | ||
fi | ||
rm "source.tar" | ||
fi | ||
} | ||
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echo | ||
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mkdir download | ||
cd download | ||
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if curl --retry 0 --head --silent "localhost:5001" > /dev/null; then | ||
curlexit=18; | ||
echo "[0m[01;36m=IPFS=[0m get $ipfs" | ||
# if we get error code 18, resume partial download | ||
while [ $curlexit -eq 18 ]; do | ||
# keep this inside an if statement, since on failure it doesn't abort the script | ||
if $curl -C - "http://localhost:5001/api/v0/tar/cat?arg=$ipfs" --output "$ipfs.tar"; then | ||
unpackFile "$ipfs.tar" | ||
rm "$ipfs.tar" | ||
set +o noglob | ||
mv $(echo *) "$out" | ||
finish | ||
else | ||
curlexit=$?; | ||
fi | ||
done | ||
fi | ||
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if test -n "$url"; then | ||
curlexit=18; | ||
echo "Downloading $url" | ||
while [ $curlexit -eq 18 ]; do | ||
# keep this inside an if statement, since on failure it doesn't abort the script | ||
if $curl "$url" -O; then | ||
set +o noglob | ||
tmpfile=$(echo *) | ||
unpackFile $tmpfile | ||
rm $tmpfile | ||
ipfs_add | ||
mv $(echo *) "$out" | ||
finish | ||
else | ||
curlexit=$?; | ||
fi | ||
done | ||
fi | ||
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echo "[01;31merror:[0m cannot download $ipfs from ipfs or the given url" | ||
echo | ||
set +o noglob | ||
exit 1 |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,52 @@ | ||
{ stdenv | ||
, curl | ||
}: | ||
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{ ipfs | ||
, url ? "" | ||
, curlOpts ? "" | ||
, outputHash ? "" | ||
, outputHashAlgo ? "" | ||
, md5 ? "" | ||
, sha1 ? "" | ||
, sha256 ? "" | ||
, sha512 ? "" | ||
, meta ? {} | ||
, port ? "8080" | ||
, postFetch ? "" | ||
}: | ||
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assert sha512 != "" -> builtins.compareVersions "1.11" builtins.nixVersion <= 0; | ||
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let | ||
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hasHash = (outputHash != "" && outputHashAlgo != "") | ||
|| md5 != "" || sha1 != "" || sha256 != "" || sha512 != ""; | ||
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in | ||
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if (!hasHash) then throw "Specify sha for fetchipfs fixed-output derivation" else stdenv.mkDerivation { | ||
name = ipfs; | ||
builder = ./builder.sh; | ||
buildInputs = [ curl ]; | ||
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# New-style output content requirements. | ||
outputHashAlgo = if outputHashAlgo != "" then outputHashAlgo else | ||
if sha512 != "" then "sha512" else if sha256 != "" then "sha256" else if sha1 != "" then "sha1" else "md5"; | ||
outputHash = if outputHash != "" then outputHash else | ||
if sha512 != "" then sha512 else if sha256 != "" then sha256 else if sha1 != "" then sha1 else md5; | ||
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outputHashMode = "recursive"; | ||
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inherit curlOpts | ||
postFetch | ||
ipfs | ||
url | ||
port; | ||
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# Doing the download on a remote machine just duplicates network | ||
# traffic, so don't do that. | ||
preferLocalBuild = true; | ||
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inherit meta; | ||
} |
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