Chunk Upload to Azure Storage with curl

curl_azure_chunk_upload.sh

#!/bin/bash
# AZ_SAS_TOKEN=''
# ArtifactLocation=''
# ArtifactBaseName=''
DATE_NOW=$(date -Ru | sed 's/\\+0000/GMT/')
AZ_VERSION="2022-11-02"
AZ_BLOB_URL="https://STORAGE_ACCOUNT_HERE.blob.core.windows.net"
AZ_BLOB_CONTAINER="${ApplicationName}"
AZ_BLOB_TARGET="${AZ_BLOB_URL}/${AZ_BLOB_CONTAINER}/"

ARTIFACT_VERSION=$(sed 's/ //g' ${ArtifactLocation}VERSION.txt)
ARTIFACT_FILE="${ArtifactLocation}${ArtifactBaseName}-${ARTIFACT_VERSION}.7z"

fname=$(basename ${ARTIFACT_FILE// /_})
fsize=$(stat -c %s "${ARTIFACT_FILE}")
csize=$((99 * 1024 * 1024))
chunks=$((($fsize + $csize - 1) / $csize))
xml="<?xml version='1.0' encoding='utf-8'?>
<BlockList>"

curl -i -v -X PUT -H "x-ms-version: ${AZ_VERSION}" -H "x-ms-blob-content-type: application/octet-stream" -H "x-ms-blob-type: BlockBlob" -d "" "${AZ_BLOB_TARGET}$fname${AZ_SAS_TOKEN}"
for ((i = 0; i < chunks; i++)); do
    start=$((i * csize))
    end=$(($start + $csize - 1))
    if ((end >= fsize)); then
        end=$((fsize - 1))
    fi

    range="$start-$end"
    cfile="$(basename ${ARTIFACT_FILE})_CHUNK_$i"
    dd if="${ARTIFACT_FILE}" of="$cfile" bs=$csize skip=$i count=1 2>/dev/null
    bid=$(echo -n "${fname}_$(printf "%04d" $i)" | base64 -w 0)

    # -H "x-ms-blob-content-type: application/octet-stream"
    #HEADERS="-H \"x-ms-date: ${DATE_NOW}\" -H \"x-ms-version: ${AZ_VERSION}\""
    curl -i -v -X PUT -H "x-ms-version: ${AZ_VERSION}" -H "Content-Length: $((end - start + 1))" -H "Content-Range: bytes $range/$fsize" --data-binary "@$cfile" "${AZ_BLOB_TARGET}$fname${AZ_SAS_TOKEN}&comp=block&blockid=$bid"
    rm "$cfile"

    xml+="
    <Latest>$bid</Latest>"
done

xml+="
</BlockList>"

#echo $xml
curl -f -v -X PUT -H "x-ms-version: ${AZ_VERSION}" -H "x-ms-blob-content-type: application/octet-stream" -H "Content-Type: application/xml" -d "$xml" "${AZ_BLOB_TARGET}$fname${AZ_SAS_TOKEN}&comp=blocklist"