mirror of
https://github.com/MetaCubeX/mihomo.git
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80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
package provider
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import (
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"errors"
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"fmt"
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"time"
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"github.com/Dreamacro/clash/common/structure"
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"github.com/Dreamacro/clash/component/resource"
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C "github.com/Dreamacro/clash/constant"
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P "github.com/Dreamacro/clash/constant/provider"
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)
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var (
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errSubPath = errors.New("path is not subpath of home directory")
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)
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type ruleProviderSchema struct {
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Type string `provider:"type"`
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Behavior string `provider:"behavior"`
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Path string `provider:"path,omitempty"`
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URL string `provider:"url,omitempty"`
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Format string `provider:"format,omitempty"`
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Interval int `provider:"interval,omitempty"`
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}
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func ParseRuleProvider(name string, mapping map[string]interface{}, parse func(tp, payload, target string, params []string, subRules map[string][]C.Rule) (parsed C.Rule, parseErr error)) (P.RuleProvider, error) {
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schema := &ruleProviderSchema{}
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decoder := structure.NewDecoder(structure.Option{TagName: "provider", WeaklyTypedInput: true})
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if err := decoder.Decode(mapping, schema); err != nil {
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return nil, err
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}
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var behavior P.RuleBehavior
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switch schema.Behavior {
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case "domain":
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behavior = P.Domain
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case "ipcidr":
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behavior = P.IPCIDR
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case "classical":
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behavior = P.Classical
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default:
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return nil, fmt.Errorf("unsupported behavior type: %s", schema.Behavior)
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}
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var format P.RuleFormat
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switch schema.Format {
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case "", "yaml":
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format = P.YamlRule
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case "text":
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format = P.TextRule
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default:
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return nil, fmt.Errorf("unsupported format type: %s", schema.Format)
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}
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var vehicle P.Vehicle
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switch schema.Type {
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case "file":
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path := C.Path.Resolve(schema.Path)
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vehicle = resource.NewFileVehicle(path)
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case "http":
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if schema.Path != "" {
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path := C.Path.Resolve(schema.Path)
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if !C.Path.IsSafePath(path) {
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return nil, fmt.Errorf("%w: %s", errSubPath, path)
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}
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vehicle = resource.NewHTTPVehicle(schema.URL, path)
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} else {
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path := C.Path.GetPathByHash("rules", schema.URL)
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vehicle = resource.NewHTTPVehicle(schema.URL, path)
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}
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default:
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return nil, fmt.Errorf("unsupported vehicle type: %s", schema.Type)
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}
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return NewRuleSetProvider(name, behavior, format, time.Duration(uint(schema.Interval))*time.Second, vehicle, parse), nil
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}
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