Introduce starting port number env variable (#6)

upload.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+# Upload specified file to Azure blob storage.
+# Based on https://gist.github.com/rtyler/30e51dc72bed23718388c43f9c11da76
+
+AZURE_STORAGE_ACCOUNT=$1
+AZURE_CONTAINER_NAME=$2
+AZURE_ACCESS_KEY=$3
+FILEPATH=$4
+
+[ ! -f $FILEPATH ] && echo "$FILEPATH not found." && exit 1
+
+FILENAME=$(basename $FILEPATH)
+
+authorization="SharedKey"
+
+HTTP_METHOD="PUT"
+request_date=$(TZ=GMT date "+%a, %d %h %Y %H:%M:%S %Z")
+storage_service_version="2015-02-21"
+
+# HTTP Request headers
+x_ms_date_h="x-ms-date:$request_date"
+x_ms_version_h="x-ms-version:$storage_service_version"
+x_ms_blob_type_h="x-ms-blob-type:BlockBlob"
+
+FILE_LENGTH=$(wc --bytes < ${FILEPATH})
+FILE_TYPE=$(file --mime-type -b ${FILEPATH})
+
+# Build the signature string
+canonicalized_headers="${x_ms_blob_type_h}\n${x_ms_date_h}\n${x_ms_version_h}"
+canonicalized_resource="/${AZURE_STORAGE_ACCOUNT}/${AZURE_CONTAINER_NAME}/${FILENAME}"
+string_to_sign="${HTTP_METHOD}\n\n\n${FILE_LENGTH}\n\n${FILE_TYPE}\n\n\n\n\n\n\n${canonicalized_headers}\n${canonicalized_resource}"
+
+# Decode the Base64 encoded access key, convert to Hex.
+decoded_hex_key="$(echo -n $AZURE_ACCESS_KEY | base64 -d -w0 | xxd -p -c256)"
+
+# Create the HMAC signature for the Authorization header
+signature=$(printf  "$string_to_sign" | openssl dgst -sha256 -mac HMAC -macopt "hexkey:$decoded_hex_key" -binary | base64 -w0)
+
+authorization_header="Authorization: $authorization $AZURE_STORAGE_ACCOUNT:$signature"
+OUTPUT_FILE="https://${AZURE_STORAGE_ACCOUNT}.blob.core.windows.net/${AZURE_CONTAINER_NAME}/${FILENAME}"
+
+echo "Uploading..."
+curl -X ${HTTP_METHOD} \
+    -T ${FILEPATH} \
+    -H "$x_ms_date_h" \
+    -H "$x_ms_version_h" \
+    -H "$x_ms_blob_type_h" \
+    -H "$authorization_header" \
+    -H "Content-Type: ${FILE_TYPE}" \
+    ${OUTPUT_FILE}
+
+if [ $? -eq 0 ]; then
+    echo "Uploaded to:" ${OUTPUT_FILE}
+    exit 0;
+fi;
+exit 1