/
indexer.go
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/
indexer.go
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// Copyright (c) 2021 - 2024, Ludvig Lundgren and the autobrr contributors.
// SPDX-License-Identifier: GPL-2.0-or-later
package domain
import (
"bytes"
"context"
"net/url"
"text/template"
"github.com/autobrr/autobrr/pkg/errors"
"github.com/Masterminds/sprig/v3"
"github.com/dustin/go-humanize"
)
type IndexerRepo interface {
Store(ctx context.Context, indexer Indexer) (*Indexer, error)
Update(ctx context.Context, indexer Indexer) (*Indexer, error)
List(ctx context.Context) ([]Indexer, error)
Delete(ctx context.Context, id int) error
FindByFilterID(ctx context.Context, id int) ([]Indexer, error)
FindByID(ctx context.Context, id int) (*Indexer, error)
ToggleEnabled(ctx context.Context, indexerID int, enabled bool) error
}
type Indexer struct {
ID int64 `json:"id"`
Name string `json:"name"`
Identifier string `json:"identifier"`
Enabled bool `json:"enabled"`
Implementation string `json:"implementation"`
BaseURL string `json:"base_url,omitempty"`
Settings map[string]string `json:"settings,omitempty"`
}
type IndexerMinimal struct {
ID int `json:"id"`
Name string `json:"name"`
Identifier string `json:"identifier"`
}
type IndexerDefinition struct {
ID int `json:"id,omitempty"`
Name string `json:"name"`
Identifier string `json:"identifier"`
Implementation string `json:"implementation"`
BaseURL string `json:"base_url,omitempty"`
Enabled bool `json:"enabled"`
Description string `json:"description"`
Language string `json:"language"`
Privacy string `json:"privacy"`
Protocol string `json:"protocol"`
URLS []string `json:"urls"`
Supports []string `json:"supports"`
Settings []IndexerSetting `json:"settings,omitempty"`
SettingsMap map[string]string `json:"-"`
IRC *IndexerIRC `json:"irc,omitempty"`
Torznab *Torznab `json:"torznab,omitempty"`
Newznab *Newznab `json:"newznab,omitempty"`
RSS *FeedSettings `json:"rss,omitempty"`
}
type IndexerImplementation string
const (
IndexerImplementationIRC IndexerImplementation = "irc"
IndexerImplementationTorznab IndexerImplementation = "torznab"
IndexerImplementationNewznab IndexerImplementation = "newznab"
IndexerImplementationRSS IndexerImplementation = "rss"
IndexerImplementationLegacy IndexerImplementation = ""
)
func (i IndexerImplementation) String() string {
switch i {
case IndexerImplementationIRC:
return "irc"
case IndexerImplementationTorznab:
return "torznab"
case IndexerImplementationNewznab:
return "newznab"
case IndexerImplementationRSS:
return "rss"
case IndexerImplementationLegacy:
return ""
}
return ""
}
func (i IndexerDefinition) HasApi() bool {
for _, a := range i.Supports {
if a == "api" {
return true
}
}
return false
}
type IndexerDefinitionCustom struct {
ID int `json:"id,omitempty"`
Name string `json:"name"`
Identifier string `json:"identifier"`
Implementation string `json:"implementation"`
BaseURL string `json:"base_url,omitempty"`
Enabled bool `json:"enabled,omitempty"`
Description string `json:"description"`
Language string `json:"language"`
Privacy string `json:"privacy"`
Protocol string `json:"protocol"`
URLS []string `json:"urls"`
Supports []string `json:"supports"`
Settings []IndexerSetting `json:"settings,omitempty"`
SettingsMap map[string]string `json:"-"`
IRC *IndexerIRC `json:"irc,omitempty"`
Torznab *Torznab `json:"torznab,omitempty"`
Newznab *Newznab `json:"newznab,omitempty"`
RSS *FeedSettings `json:"rss,omitempty"`
Parse *IndexerIRCParse `json:"parse,omitempty"`
}
func (i *IndexerDefinitionCustom) ToIndexerDefinition() *IndexerDefinition {
d := &IndexerDefinition{
ID: i.ID,
Name: i.Name,
Identifier: i.Identifier,
Implementation: i.Implementation,
BaseURL: i.BaseURL,
Enabled: i.Enabled,
Description: i.Description,
Language: i.Language,
Privacy: i.Privacy,
Protocol: i.Protocol,
URLS: i.URLS,
Supports: i.Supports,
Settings: i.Settings,
SettingsMap: i.SettingsMap,
IRC: i.IRC,
Torznab: i.Torznab,
Newznab: i.Newznab,
RSS: i.RSS,
}
if i.IRC != nil && i.Parse != nil {
i.IRC.Parse = i.Parse
}
return d
}
type IndexerSetting struct {
Name string `json:"name"`
Required bool `json:"required,omitempty"`
Type string `json:"type"`
Value string `json:"value,omitempty"`
Label string `json:"label"`
Default string `json:"default,omitempty"`
Description string `json:"description,omitempty"`
Help string `json:"help,omitempty"`
Regex string `json:"regex,omitempty"`
}
type Torznab struct {
MinInterval int `json:"minInterval"`
Settings []IndexerSetting `json:"settings"`
}
type Newznab struct {
MinInterval int `json:"minInterval"`
Settings []IndexerSetting `json:"settings"`
}
type FeedSettings struct {
MinInterval int `json:"minInterval"`
Settings []IndexerSetting `json:"settings"`
}
type IndexerIRC struct {
Network string `json:"network"`
Server string `json:"server"`
Port int `json:"port"`
TLS bool `json:"tls"`
Channels []string `json:"channels"`
Announcers []string `json:"announcers"`
SettingsMap map[string]string `json:"-"`
Settings []IndexerSetting `json:"settings"`
Parse *IndexerIRCParse `json:"parse,omitempty"`
}
func (i IndexerIRC) ValidAnnouncer(announcer string) bool {
for _, a := range i.Announcers {
if a == announcer {
return true
}
}
return false
}
func (i IndexerIRC) ValidChannel(channel string) bool {
for _, a := range i.Channels {
if a == channel {
return true
}
}
return false
}
type IndexerIRCParse struct {
Type string `json:"type"`
ForceSizeUnit string `json:"forcesizeunit"`
Lines []IndexerIRCParseLine `json:"lines"`
Match IndexerIRCParseMatch `json:"match"`
}
type LineTest struct {
Line string `json:"line"`
Expect map[string]string `json:"expect"`
}
type IndexerIRCParseLine struct {
Tests []LineTest `json:"tests"`
Pattern string `json:"pattern"`
Vars []string `json:"vars"`
Ignore bool `json:"ignore"`
}
type IndexerIRCParseMatch struct {
TorrentURL string `json:"torrenturl"`
TorrentName string `json:"torrentname"`
InfoURL string `json:"infourl"`
Encode []string `json:"encode"`
}
type IndexerIRCParseMatched struct {
InfoURL string
TorrentURL string
TorrentName string
}
func parseTemplateURL(baseURL, sourceURL string, vars map[string]string, basename string) (*url.URL, error) {
// setup text template to inject variables into
tmpl, err := template.New(basename).Funcs(sprig.TxtFuncMap()).Parse(sourceURL)
if err != nil {
return nil, errors.New("could not create %s url template", basename)
}
var urlBytes bytes.Buffer
if err := tmpl.Execute(&urlBytes, &vars); err != nil {
return nil, errors.New("could not write %s url template output", basename)
}
templateUrl := urlBytes.String()
parsedUrl, err := url.Parse(templateUrl)
if err != nil {
return nil, errors.Wrap(err, "could not parse template url: %q", templateUrl)
}
// for backwards compatibility remove Host and Scheme to rebuild url
if parsedUrl.Host != "" {
parsedUrl.Host = ""
}
if parsedUrl.Scheme != "" {
parsedUrl.Scheme = ""
}
// join baseURL with query
baseUrlPath, err := url.JoinPath(baseURL, parsedUrl.Path)
if err != nil {
return nil, errors.Wrap(err, "could not join %s url", basename)
}
// reconstruct url
infoUrl, err := url.Parse(baseUrlPath)
if err != nil {
return nil, errors.Wrap(err, "could not parse %s url", basename)
}
infoUrl.RawQuery = parsedUrl.RawQuery
return infoUrl, nil
}
func (p *IndexerIRCParseMatch) ParseURLs(baseURL string, vars map[string]string, rls *Release) error {
// handle url encode of values
for _, e := range p.Encode {
if v, ok := vars[e]; ok {
// url encode value
t := url.QueryEscape(v)
vars[e] = t
}
}
if p.InfoURL != "" {
infoURL, err := parseTemplateURL(baseURL, p.InfoURL, vars, "infourl")
if err != nil {
return err
}
rls.InfoURL = infoURL.String()
}
if p.TorrentURL != "" {
downloadURL, err := parseTemplateURL(baseURL, p.TorrentURL, vars, "torrenturl")
if err != nil {
return err
}
rls.DownloadURL = downloadURL.String()
}
return nil
}
func (p *IndexerIRCParseMatch) ParseTorrentName(vars map[string]string, rls *Release) error {
if p.TorrentName != "" {
// setup text template to inject variables into
tmplName, err := template.New("torrentname").Funcs(sprig.TxtFuncMap()).Parse(p.TorrentName)
if err != nil {
return err
}
var nameBytes bytes.Buffer
if err := tmplName.Execute(&nameBytes, &vars); err != nil {
return errors.New("could not write torrent name template output")
}
rls.TorrentName = nameBytes.String()
}
return nil
}
func (p *IndexerIRCParse) Parse(def *IndexerDefinition, vars map[string]string, rls *Release) error {
if err := rls.MapVars(def, vars); err != nil {
return errors.Wrap(err, "could not map variables for release")
}
baseUrl := def.URLS[0]
// merge vars from regex captures on announce and vars from settings
mergedVars := mergeVars(vars, def.SettingsMap)
// parse urls
if err := def.IRC.Parse.Match.ParseURLs(baseUrl, mergedVars, rls); err != nil {
return errors.Wrap(err, "could not parse urls for release")
}
// parse torrent var
if err := def.IRC.Parse.Match.ParseTorrentName(mergedVars, rls); err != nil {
return errors.Wrap(err, "could not parse release name")
}
var parser IRCParser
switch def.Identifier {
case "ggn":
parser = IRCParserGazelleGames{}
case "ops":
parser = IRCParserOrpheus{}
case "redacted":
parser = IRCParserRedacted{}
default:
parser = IRCParserDefault{}
}
if err := parser.Parse(rls, vars); err != nil {
return errors.Wrap(err, "could not parse release")
}
if v, ok := def.SettingsMap["cookie"]; ok {
rls.RawCookie = v
}
return nil
}
type TorrentBasic struct {
Id string `json:"Id"`
TorrentId string `json:"TorrentId,omitempty"`
InfoHash string `json:"InfoHash"`
Size string `json:"Size"`
Uploader string `json:"Uploader"`
}
func (t TorrentBasic) ReleaseSizeBytes() uint64 {
if t.Size == "" {
return 0
}
releaseSizeBytes, err := humanize.ParseBytes(t.Size)
if err != nil {
// log could not parse into bytes
return 0
}
return releaseSizeBytes
}
type IndexerTestApiRequest struct {
IndexerId int `json:"id,omitempty"`
Identifier string `json:"identifier,omitempty"`
ApiUser string `json:"api_user,omitempty"`
ApiKey string `json:"api_key"`
}