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39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
package dataurlfetcher
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import (
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"context"
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"strings"
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"github.com/vincent-petithory/dataurl"
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"github.com/v2fly/v2ray-core/v5/app/subscription"
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"github.com/v2fly/v2ray-core/v5/app/subscription/documentfetcher"
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"github.com/v2fly/v2ray-core/v5/common"
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)
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//go:generate go run github.com/v2fly/v2ray-core/v5/common/errors/errorgen
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func newDataURLFetcher() *dataURLFetcher {
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return &dataURLFetcher{}
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}
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func init() {
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common.Must(documentfetcher.RegisterFetcher("dataurl", newDataURLFetcher()))
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}
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type dataURLFetcher struct{}
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func (d *dataURLFetcher) DownloadDocument(ctx context.Context, source *subscription.ImportSource, opts ...documentfetcher.FetcherOptions) ([]byte, error) {
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dataURL, err := dataurl.DecodeString(source.Url)
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if err != nil {
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return nil, newError("unable to decode dataURL").Base(err)
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}
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if dataURL.MediaType.Type != "application" {
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return nil, newError("unsupported media type: ", dataURL.MediaType.Type)
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}
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if !strings.HasPrefix(dataURL.MediaType.Subtype, "vnd.v2ray.subscription") {
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return nil, newError("unsupported media subtype: ", dataURL.MediaType.Subtype)
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}
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return []byte(source.Url), nil
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}
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