GSorry missed that haha. Lets hope it gets here quick! 
KIt seems r2 doesnt integrate very well with cloudflare's cache
Kbigger media files doesnt return partial content but instead the whole file
KI had to set the r2 domain with cache bypass
UWhen I run
(await env.BUCKET_BINDING.list()).objects in Worker, I get an empty array, but I am sure there are some files in the R2 bucket. Why is that?
KIf you're doing it with
wrangler devThen what is the point of setting
preview_bucket_name in wrangler.tomlFor when you do
wrangler dev --remoteI see. Thank you.
GAccess to font at ‘https://s3.testwebsite.com/datta-able/fonts/fontawesome/webfonts/fa-brands-400.woff’ from origin ‘https://testwebsite.com’ has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the requested resource.
I can’t seem to find how to configure the cors policy to do that
I can’t seem to find how to configure the cors policy to do that
GWhats currently in the cors policy in cloduflare
[
{
"AllowedOrigins": [
"https://testwebsite.com",
"https://s3.testwebsite.com",
"testwebsite.com"
],
"AllowedMethods": [
"GET",
"POST"
]
}
]
[
{
"AllowedOrigins": [
"https://testwebsite.com",
"https://s3.testwebsite.com",
"testwebsite.com"
],
"AllowedMethods": [
"GET",
"POST"
]
}
]
GNvm. figured it out
RI have the same problem
GSo if I have a public bucket with a 1GB file, and I do a range request to it for a range smaller then 512MB, will cloudflare cache the response? Sounds like it won’t? If so, will it cache the whole file and will the cache return the range, or will it only cache the requested range?
MHello. I want to upload files to r2 with asp.net core web api but I couldn't find any source. how can i solve this problem?
EAny library compatible with S3 should work, for .NET that would be either https://aws.amazon.com/sdk-for-net/ or https://min.io/docs/minio/linux/developers/dotnet/minio-dotnet.html
For the former, there is an example here https://developers.cloudflare.com/r2/examples/aws/aws-sdk-net/
For the former, there is an example here https://developers.cloudflare.com/r2/examples/aws/aws-sdk-net/
MI created a simple ASP.NET Core Web API project. I'm trying to upload files to cloudflare r2 using AWSSDK but I'm getting an error.
using Amazon.S3;
using Amazon.S3.Model;
private readonly IAmazonS3 _s3Client;
public CloudflareR2Controller(IConfiguration configuration)
{
string accessKeyId = "aaa";
string secretAccessKey = "bbb";
string serviceUrl = "https://ccc.r2.cloudflarestorage.com";
AWSCredentials credentials = new BasicAWSCredentials(accessKeyId, secretAccessKey);
AmazonS3Config config = new AmazonS3Config
{
ServiceURL = serviceUrl
};
_s3Client = new AmazonS3Client(credentials, config);
}
[HttpPut("objects/{bucketName}")]
public async Task<IActionResult> UploadObject(string bucketName, [FromBody] string filePath)
{
try
{
PutObjectRequest request = new PutObjectRequest
{
FilePath = @filePath,
BucketName = bucketName,
};
PutObjectResponse response = await _s3Client.PutObjectAsync(request);
Console.WriteLine("ETag: {0}", response.ETag);
return Ok(response);
}
catch (Exception ex)
{
return StatusCode(500, "Error: " + ex.Message);
}
}
1st problem in this code:
"STREAMING-AWS4-HMAC-SHA256-PAYLOAD not implemented"
To fix this issue I am editing the following code:
PutObjectRequest request = new PutObjectRequest
{
FilePath = @filePath,
bucketName = bucketName,
DisablePayloadSigning=true, //new code
};
This time I get another error:
{Please use "STREAMING-AWS4-HMAC-SHA256-PAYLOAD"}
I couldn't solve the problem. Anyone have an idea or an alternative solution?
using Amazon.S3;
using Amazon.S3.Model;
private readonly IAmazonS3 _s3Client;
public CloudflareR2Controller(IConfiguration configuration)
{
string accessKeyId = "aaa";
string secretAccessKey = "bbb";
string serviceUrl = "https://ccc.r2.cloudflarestorage.com";
AWSCredentials credentials = new BasicAWSCredentials(accessKeyId, secretAccessKey);
AmazonS3Config config = new AmazonS3Config
{
ServiceURL = serviceUrl
};
_s3Client = new AmazonS3Client(credentials, config);
}
[HttpPut("objects/{bucketName}")]
public async Task<IActionResult> UploadObject(string bucketName, [FromBody] string filePath)
{
try
{
PutObjectRequest request = new PutObjectRequest
{
FilePath = @filePath,
BucketName = bucketName,
};
PutObjectResponse response = await _s3Client.PutObjectAsync(request);
Console.WriteLine("ETag: {0}", response.ETag);
return Ok(response);
}
catch (Exception ex)
{
return StatusCode(500, "Error: " + ex.Message);
}
}
1st problem in this code:
"STREAMING-AWS4-HMAC-SHA256-PAYLOAD not implemented"
To fix this issue I am editing the following code:
PutObjectRequest request = new PutObjectRequest
{
FilePath = @filePath,
bucketName = bucketName,
DisablePayloadSigning=true, //new code
};
This time I get another error:
{Please use "STREAMING-AWS4-HMAC-SHA256-PAYLOAD"}
I couldn't solve the problem. Anyone have an idea or an alternative solution?
GDoes Cloudflare have plans to support cache range requests for large files to R2? Cloudfront+S3 supports it as well
UProbably not? The way cache works is they store the entire file in cache and then return ranges from that so if your file is larger than what can be cached it wont work.
UI do think there is a bug specifically in the R2 -> Cache behavior where if a file is too big for cache and you request a range it will ignore that and return the entire file where it should return the range and not cache (which I think it what the normal Origin -> Cache behavior is atm). But no clue whats going on around that 
USo a normal origin will also ignore the range request if the file is too big for cache? Not what I have heard from others in here who talk about this issue
UNot possible
UYou can use public urls with a custom domain but not presigned s3 urls.
https://developers.cloudflare.com/r2/buckets/public-buckets/
https://developers.cloudflare.com/r2/buckets/public-buckets/
UAfaik theres no plans to and I doubt it would happen. Why would you want it?
GCloudfront caches just the range you request. So they don’t only cache full files, but also sub-files. Seems to me Cloudflare could (should?) support that as well
GSo cache files aren’t only identified by their url, but also additionally with an optional range
SWhy don’t you want to share the R2 api domain?
CDoes anyone know how to use r2 with the cloudflare cdn
CI have a simple website where uses upload files to an r2, and can get files from an r2
CIt works but I want to use the cloudflare cdn with it and I can’t find anything in the docs that explains how
C
CIt’s weird that there isn’t much documentation since it’s one of the key features advertised
CCan you explain a little more, I haven’t set up the custom domain yet, still developing with the dev domain they give you
CLike when you set up the custom domain there’s an option for cdn integration?
UPublic Bucket is a feature that allows users to expose the contents of their R2 buckets directly to the Internet. By default, buckets are never …
UCustom domains have to use the CDN its not an option
COh I see
CThank you!
CAlso this may be a stupid question but say an r2 item is cached and 1000 users request the item, does that count as 1000 r2 read operations or just 1 for the initial retrieval from the r2 bucket
Mjust curious, I’m trying to authenticate r2 in a GitHub actions runner. But cloudflare keeps rejecting the ticket
Is this syntax correct or not?
run: |
curl -X PUT "https://api.cloudflare.com/client/v4/accounts/$ACCOUNT/r2/buckets/$BUCKET/objects/output.mp4" \
-H "Authorization: Bearer SECRET" \
-H "Content-Type: video/mp4" \
Is this syntax correct or not?
run: |
curl -X PUT "https://api.cloudflare.com/client/v4/accounts/$ACCOUNT/r2/buckets/$BUCKET/objects/output.mp4" \
-H "Authorization: Bearer SECRET" \
-H "Content-Type: video/mp4" \
UCache hits do not go to the R2 service so would not incur further reads. Cache is per data center though so not every requests will be guarantee to have it cached if they hit a different data center. Assuming 1000 requests all hit the same datacenter in a short period of time where the file is still cached it would only be 1 R2 read.
CCool, thanks
UI dont even think thats an api that exists, you would want to use the S3 API with an S3 API token
MI asked bing ai
MI suppose that’s why lol
SHey there, is there a way to enforce a max file size using S3 presigned URLs? I'm looking to upload files from a browser and using presigned URLs seems like the best way to go about this but don't want my users to be uploading massive files.
