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https://github.com/AdguardTeam/AdGuardHome.git
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332621f268
Squashed commit of the following: commit 425f1bd28074d22890629d06f43257e0353ce3d5 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Feb 8 20:15:58 2024 +0300 all: upd deps, go, scripts
56 lines
1.4 KiB
Go
56 lines
1.4 KiB
Go
package aghnet
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import (
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"slices"
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"strings"
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"github.com/AdguardTeam/urlfilter"
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"github.com/AdguardTeam/urlfilter/filterlist"
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)
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// IgnoreEngine contains the list of rules for ignoring hostnames and matches
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// them.
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//
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// TODO(s.chzhen): Move all urlfilter stuff to aghfilter.
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type IgnoreEngine struct {
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// engine is the filtering engine that can match rules for ignoring
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// hostnames.
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engine *urlfilter.DNSEngine
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// ignored is the list of rules for ignoring hostnames.
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ignored []string
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}
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// NewIgnoreEngine creates a new instance of the IgnoreEngine and stores the
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// list of rules for ignoring hostnames.
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func NewIgnoreEngine(ignored []string) (e *IgnoreEngine, err error) {
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ruleList := &filterlist.StringRuleList{
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RulesText: strings.ToLower(strings.Join(ignored, "\n")),
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IgnoreCosmetic: true,
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}
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ruleStorage, err := filterlist.NewRuleStorage([]filterlist.RuleList{ruleList})
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if err != nil {
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return nil, err
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}
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return &IgnoreEngine{
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engine: urlfilter.NewDNSEngine(ruleStorage),
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ignored: ignored,
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}, nil
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}
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// Has returns true if IgnoreEngine matches the host.
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func (e *IgnoreEngine) Has(host string) (ignore bool) {
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if e == nil {
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return false
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}
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_, ignore = e.engine.Match(host)
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return ignore
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}
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// Values returns a copy of list of rules for ignoring hostnames.
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func (e *IgnoreEngine) Values() (ignored []string) {
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return slices.Clone(e.ignored)
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}
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