#!/bin/bash

# refs:
# https://segmentfault.com/q/1010000003000974
# http://blog.csdn.net/guoer9973/article/details/46459971
# http://www.cnblogs.com/sink_cup/p/cloud_storage_aliyun_oss_vs_qiniu_rs.html

# api:
# https://developer.qiniu.com/kodo/api/1312/upload

# how-to-access-or-locate-the-access-key-and-secret-key
accesskey=$(printenv 'QINIU_AK')
secretkey=$(printenv 'QINIU_SK')
namespace=$(printenv 'QINIU_NS')

if [[ $accesskey == '' ]]; then
  echo 'QINIU_AK is blank'
  exit;
fi

uploadfile=$1
echo "Upload $uploadfile to $namespace"
echo

scope="$namespace"
deadline=$(expr `date +%s` + 3600)

# build policy json
putPolicy="{\"scope\":\"$scope\",\"deadline\":$deadline}"
echo "putPolicy:$putPolicy"

data=$(echo -en $putPolicy | base64 | tr "+/" "-_")
echo "data:$data"

auth=$(echo -en $data | openssl sha1 -hmac $secretkey -binary | base64 | tr "+/" "-_")
echo "auth:$auth"

uploadToken="$accesskey:$auth:$data";
echo "uploadToken:$uploadToken"

echo "Uploading..."
echo
# add "-v" for debug
curl -v -F token="$uploadToken" -F file="$uploadfile"  -F key="$uploadfile" -F fileBinaryData=@$uploadfile http://upload.qiniu.com/
echo