48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
package main
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import (
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"bytes"
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"context"
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"os"
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"path/filepath"
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"github.com/aws/aws-sdk-go-v2/aws"
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"github.com/aws/aws-sdk-go-v2/config"
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"github.com/aws/aws-sdk-go-v2/service/s3"
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)
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var s3Client *s3.Client
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func initS3() error {
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cfg, err := config.LoadDefaultConfig(context.Background(), config.WithRegion("us-east-1"))
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if err != nil {
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return err
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}
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s3Client = s3.NewFromConfig(cfg)
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return nil
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}
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// iconHashToPath converts a SHA-256 hash to a sharded file path.
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func iconHashToPath(iconsDir, hash string) string {
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if len(hash) < 6 {
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return filepath.Join(iconsDir, hash)
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}
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return filepath.Join(iconsDir, hash[:2], hash[2:4], hash[4:6], hash)
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}
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// readIconFromDisk reads an icon file from the local sharded directory.
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func readIconFromDisk(iconsDir, hash string) ([]byte, error) {
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return os.ReadFile(iconHashToPath(iconsDir, hash))
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}
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// s3UploadBundle uploads a bundle JSON to S3.
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func s3UploadBundle(bucket, key string, data []byte) error {
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_, err := s3Client.PutObject(context.Background(), &s3.PutObjectInput{
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Bucket: aws.String(bucket),
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Key: aws.String(key),
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Body: bytes.NewReader(data),
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ContentType: aws.String("application/json"),
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})
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return err
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}
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