How do i add a CORS rule to the Azure Storage Emulator with HTTP?

Question

To use the Azure Storage (Emulator) Table Service, i need to add a CORS rule for my TypeScript Browser App.

I want to add that rule manually using the REST interface (from Postman, not the Browser with the Same Origin Policy). The documentation does not give the correct URL for the Emulator (https://docs.microsoft.com/en-us/rest/api/storageservices/fileservices/set-table-service-properties). For DML commands it is like in my request (https://docs.microsoft.com/en-us/rest/api/storageservices/fileservices/insert-entity).

The request is:

PUT /devstoreaccount1/?restype=service&amp;comp=properties HTTP/1.1
Host: 127.0.0.1:10002
x-ms-version: 2013-08-15
Content-Type: application/xml
Cache-Control: no-cache
Postman-Token: 280f880b-d6df-bb1d-bc12-eca411e18310

<StorageServiceProperties>
    <Cors>
        <CorsRule>
            <AllowedOrigins>http://localhost:3030</AllowedOrigins>
            <AllowedMethods>GET,PUT,POST</AllowedMethods>
            <MaxAgeInSeconds>500</MaxAgeInSeconds>
            <ExposedHeaders>x-ms-meta-data*,x-ms-meta-target*,x-ms-meta-abc</ExposedHeaders>
            <AllowedHeaders>x-ms-meta-*</AllowedHeaders>
        </CorsRule>
    </Cors>
</StorageServiceProperties>

The result is:

<?xml version="1.0" encoding="utf-8"?>
<m:error xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata">
    <m:code>ResourceNotFound</m:code>
    <m:message xml:lang="en-US">The specified resource does not exist.
RequestId:8137042f-0402-46c6-aa8c-fbf9f4601d33
Time:2017-01-15T09:13:51.7500394Z</m:message>
</m:error>

What is the correct URL or what am i doing wrong?

abbgrade abbgrade · Accepted Answer · 2017-01-15T14:12:04

Here is a Powershell script to add a CORS rule to the Azure Storage Emulator. It is not the answer to this question but a solution for my problem:

$ErrorActionPreference = "Stop";

# config

$AccountName='devstoreaccount1'
$AccountKey='Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw=='

# derived config

$BlobEndpoint="http://127.0.0.1:10000/$($AccountName)"
$QueueEndpoint="http://127.0.0.1:10001/$($AccountName)"
$TableEndpoint="http://127.0.0.1:10002/$($AccountName)"

$ConnectionString = "" +
    "DefaultEndpointsProtocol=http;" + 
    "BlobEndpoint=$($BlobEndpoint);" +
    "QueueEndpoint=$($QueueEndpoint);" +
    "TableEndpoint=$($TableEndpoint);" +
    "AccountName=$($AccountName);" +
    "AccountKey=$($AccountKey)"

# authentication

$Context = New-AzureStorageContext `
    -ConnectionString $ConnectionString

# cors rules
$CorsRules = (@{
    AllowedHeaders=@("*");
    AllowedOrigins=@("*");
    ExposedHeaders=@("Content-Length");
    MaxAgeInSeconds=60*60*24;
    AllowedMethods=@("Get", "Post")
})

Set-AzureStorageCORSRule `
    -ServiceType Table `
    -Context $Context `
    -CorsRules $CorsRules

# check
Get-AzureStorageCORSRule `
    -ServiceType Table `
    -Context $Context

How do i add a CORS rule to the Azure Storage Emulator with HTTP?

2 Answers