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55 lines
1.2 KiB
55 lines
1.2 KiB
package external
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import (
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"io"
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"os"
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"strings"
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"v2ray.com/core/common/buf"
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"v2ray.com/core/common/platform/ctlcmd"
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"v2ray.com/core/main/confloader"
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)
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//go:generate go run $GOPATH/src/v2ray.com/core/common/errors/errorgen/main.go -pkg external -path Main,ConfLoader,External
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type ClosableMultiBuffer struct {
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buf.MultiBuffer
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}
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func (c *ClosableMultiBuffer) Close() error {
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c.MultiBuffer.Release()
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return nil
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}
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func loadConfigFile(configFile string) (io.ReadCloser, error) {
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if configFile == "stdin:" {
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return os.Stdin, nil
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}
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if strings.HasPrefix(configFile, "http://") || strings.HasPrefix(configFile, "https://") {
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content, err := ctlcmd.Run([]string{"fetch", configFile}, nil)
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if err != nil {
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return nil, err
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}
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return &ClosableMultiBuffer{content}, nil
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}
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fixedFile := os.ExpandEnv(configFile)
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file, err := os.Open(fixedFile)
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if err != nil {
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return nil, newError("config file not readable").Base(err)
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}
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defer file.Close()
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content, err := buf.ReadAllToMultiBuffer(file)
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if err != nil {
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return nil, newError("failed to load config file: ", fixedFile).Base(err).AtWarning()
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}
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return &ClosableMultiBuffer{content}, nil
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}
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func init() {
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confloader.EffectiveConfigFileLoader = loadConfigFile
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}
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