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9 changed files with 399 additions and 0 deletions
81
config.go
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81
config.go
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package main
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import (
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"github.com/pelletier/go-toml/v2"
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"os"
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"io/ioutil"
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"sync"
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"log"
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"strings"
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)
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type GenericError struct { msg string }
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func (e *GenericError) Error() string { return e.msg }
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type PodcastConfig struct {
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Name string `toml:"name"`
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URL string `toml:"url"`
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UseAuth bool
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User string `toml:"user"`
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Pass string `toml:"pass"`
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Convert string `toml:"convert"`
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}
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type ServerConfig struct {
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MediaProxyBaseURL string `toml:"media-proxy-base-url"`
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Port int `toml:"port"`
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Feeds []PodcastConfig `toml:"podcasts"`
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FileRoot string `toml:"file-root"`
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UpdateTimeout uint `toml:"update-timeout"`
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}
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func (cfg *ServerConfig) Load(path string) error {
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if _, err := os.Stat(path); os.IsNotExist(err) {
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return err;
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}
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file, err := os.Open(path)
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if err!=nil {
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return err
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}
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defer file.Close()
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content, err := ioutil.ReadAll(file)
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if err!=nil {
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return err
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}
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if err := toml.Unmarshal(content, cfg); err!=nil {
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return err
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}
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for _, feed := range cfg.Feeds {
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if strings.Contains(feed.Name, "/") {
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log.Fatal("invalid feed name contains '/': "+feed.Name)
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}
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if feed.User!="" && feed.Pass!="" {
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feed.UseAuth = true
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} else {
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feed.UseAuth = false
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}
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}
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return nil
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}
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type FeedCacheEntry struct {
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Mutex sync.Mutex
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Text string
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}
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type FeedCacheS struct {
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Texts map[string]string
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sync.Mutex
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}
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type ServerContext struct {
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Config ServerConfig
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WG sync.WaitGroup
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IsActive bool
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FeedCache FeedCacheS
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}
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func (ctx *ServerContext) LoadConfig(path string) error {
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ctx.FeedCache.Texts = make(map[string]string)
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return ctx.Config.Load(path);
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}
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14
config.toml
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14
config.toml
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port = 3666
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media-proxy-base-url = "http://localhost:3666"
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file-root = "set path here..."
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update-timeout = 30
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[[podcasts]]
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name = "another_very_unique_name"
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url = "https://myawesomepodcast2"
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convert = "opus"
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[[podcasts]]
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name = "a_unique_name"
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url = "https://myawesomepodcast"
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convert = "opus"
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16
go.mod
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16
go.mod
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module go-podcast-proxy
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go 1.22.5
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require (
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github.com/PuerkitoBio/goquery v1.8.0 // indirect
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github.com/andybalholm/cascadia v1.3.1 // indirect
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github.com/json-iterator/go v1.1.12 // indirect
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github.com/mmcdole/gofeed v1.3.0 // indirect
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github.com/mmcdole/goxpp v1.1.1-0.20240225020742-a0c311522b23 // indirect
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github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
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github.com/modern-go/reflect2 v1.0.2 // indirect
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github.com/pelletier/go-toml/v2 v2.2.2 // indirect
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golang.org/x/net v0.4.0 // indirect
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golang.org/x/text v0.5.0 // indirect
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)
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43
go.sum
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43
go.sum
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github.com/PuerkitoBio/goquery v1.8.0 h1:PJTF7AmFCFKk1N6V6jmKfrNH9tV5pNE6lZMkG0gta/U=
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github.com/PuerkitoBio/goquery v1.8.0/go.mod h1:ypIiRMtY7COPGk+I/YbZLbxsxn9g5ejnI2HSMtkjZvI=
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github.com/andybalholm/cascadia v1.3.1 h1:nhxRkql1kdYCc8Snf7D5/D3spOX+dBgjA6u8x004T2c=
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github.com/andybalholm/cascadia v1.3.1/go.mod h1:R4bJ1UQfqADjvDa4P6HZHLh/3OxWWEqc0Sk8XGwHqvA=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
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github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
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github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
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github.com/mmcdole/gofeed v1.3.0 h1:5yn+HeqlcvjMeAI4gu6T+crm7d0anY85+M+v6fIFNG4=
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github.com/mmcdole/gofeed v1.3.0/go.mod h1:9TGv2LcJhdXePDzxiuMnukhV2/zb6VtnZt1mS+SjkLE=
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github.com/mmcdole/goxpp v1.1.1-0.20240225020742-a0c311522b23 h1:Zr92CAlFhy2gL+V1F+EyIuzbQNbSgP4xhTODZtrXUtk=
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github.com/mmcdole/goxpp v1.1.1-0.20240225020742-a0c311522b23/go.mod h1:v+25+lT2ViuQ7mVxcncQ8ch1URund48oH+jhjiwEgS8=
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github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
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github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
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github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
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github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
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github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
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github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=
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github.com/pelletier/go-toml/v2 v2.2.2/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
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github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
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github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
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github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
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github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
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github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
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github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
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golang.org/x/net v0.0.0-20210916014120-12bc252f5db8/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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golang.org/x/net v0.4.0 h1:Q5QPcMlvfxFTAPV0+07Xz/MpK9NTXu2VDUuy0FeMfaU=
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golang.org/x/net v0.4.0/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
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golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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golang.org/x/text v0.5.0 h1:OLmvp0KP+FVG99Ct/qFiL/Fhk4zp4QQnZ7b2U+5piUM=
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golang.org/x/text v0.5.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
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golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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25
handle-feed.go
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25
handle-feed.go
Normal file
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package main
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import (
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"net/http"
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"log"
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"fmt"
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)
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func (ctx *ServerContext) HandleFeed(w http.ResponseWriter, req *http.Request) error {
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ctx.WG.Add(1)
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defer ctx.WG.Done()
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name := req.URL.Path
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name = name[len(name)-6:]
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log.Println("requesting feed <", name, ">")
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ctx.FeedCache.Lock()
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defer ctx.FeedCache.Unlock()
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if e, has := ctx.FeedCache.Texts[name]; has {
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fmt.Fprintf(w, e)
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} else {
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http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
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return nil
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}
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return nil
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}
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12
handle-file.go
Normal file
12
handle-file.go
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package main
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import (
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"net/http"
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)
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func (ctx *ServerContext) HandleFile(w http.ResponseWriter, req *http.Request) error {
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ctx.WG.Add(1)
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defer ctx.WG.Done()
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http.ServeFile(w, req, ctx.Config.FileRoot + "/" + req.URL.Path);
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return nil
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}
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57
main.go
Normal file
57
main.go
Normal file
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package main
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|
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|
import (
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"log"
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"strconv"
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"os"
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"time"
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"os/signal"
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"syscall"
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"net/http"
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)
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func (ctx *ServerContext) Sleep(seconds uint) {
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for i:=(uint)(0); i<seconds && ctx.IsActive; i++ {
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time.Sleep(1 * time.Second)
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}
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|
}
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|
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func main(){
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ctx := &ServerContext{}
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|
if err := ctx.LoadConfig("config.toml"); err!=nil {
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|
log.Fatal(err)
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|
}
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|
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sigs := make(chan os.Signal)
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signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
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go func(){
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<-sigs
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log.Println("shutdown..")
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ctx.IsActive = false
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ctx.WG.Wait()
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|
os.Exit(0)
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log.Println("bye");
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|
}()
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|
ctx.WG.Add(1)
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|
go func(){
|
||||||
|
defer ctx.WG.Done()
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|
for ctx.IsActive {
|
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|
ctx.WG.Add(1)
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ctx.UpdateCache()
|
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|
ctx.Sleep(60)
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|
}
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|
}()
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|
|
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|
ctx.IsActive = true
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|
http.HandleFunc("/feed/", func (w http.ResponseWriter, req *http.Request) {
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|
if err := ctx.HandleFeed(w, req); err!=nil {
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|
log.Fatal(err)
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|
}
|
||||||
|
});
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|
http.HandleFunc("/file/", func (w http.ResponseWriter, req *http.Request) {
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|
if err := ctx.HandleFile(w, req); err!=nil {
|
||||||
|
log.Fatal(err)
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|
}
|
||||||
|
});
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|
http.ListenAndServe(":"+strconv.Itoa(ctx.Config.Port), nil);
|
||||||
|
}
|
62
mpvconvert.go
Normal file
62
mpvconvert.go
Normal file
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@ -0,0 +1,62 @@
|
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|
package main
|
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|
|
||||||
|
import (
|
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|
"log"
|
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|
"path/filepath"
|
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|
"os"
|
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|
"unsafe"
|
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|
)
|
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|
|
||||||
|
// #cgo LDFLAGS: -lmpv
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|
// #include <stdlib.h>
|
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|
// #include <stdio.h>
|
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|
// #include <mpv/client.h>
|
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|
// mpv_handle* mpvinit(){
|
||||||
|
// return mpv_create();
|
||||||
|
// }
|
||||||
|
// int mpvbegin(mpv_handle* mpv, char* src, char* dst, char* ext) {
|
||||||
|
// mpv_set_property_string(mpv, "o", dst);
|
||||||
|
// mpv_set_property_string(mpv, "of", ext);
|
||||||
|
// mpv_set_property_string(mpv, "oacopts", "b=96k");
|
||||||
|
// mpv_initialize(mpv);
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|
// const char *args[3] = {"loadfile", src, NULL};
|
||||||
|
// return mpv_command(mpv, args);
|
||||||
|
// }
|
||||||
|
// mpv_event* mpvwait(mpv_handle* mpv){
|
||||||
|
// return mpv_wait_event(mpv, 0.25);
|
||||||
|
// }
|
||||||
|
// void mpvend(mpv_handle* mpv){
|
||||||
|
// mpv_destroy(mpv);
|
||||||
|
// }
|
||||||
|
import "C"
|
||||||
|
|
||||||
|
func (ctx* ServerContext) MPVConvert(source string, destination string, ext string) {
|
||||||
|
defer ctx.WG.Done()
|
||||||
|
|
||||||
|
dir := filepath.Dir(destination)
|
||||||
|
os.MkdirAll(dir, os.ModePerm)
|
||||||
|
|
||||||
|
mpv := C.mpvinit()
|
||||||
|
|
||||||
|
csrc := C.CString(source)
|
||||||
|
defer C.free(unsafe.Pointer(csrc))
|
||||||
|
cdst := C.CString(destination)
|
||||||
|
defer C.free(unsafe.Pointer(cdst))
|
||||||
|
cext := C.CString(ext)
|
||||||
|
oacopts := C.CString("oacopts")
|
||||||
|
defer C.free(unsafe.Pointer(oacopts))
|
||||||
|
r := C.mpvbegin(mpv, csrc, cdst, cext)
|
||||||
|
if r!=0 {
|
||||||
|
log.Println("mpv error (", source, ", ", destination, ", ", ext, "): ", r)
|
||||||
|
}
|
||||||
|
for C.mpvwait(mpv).event_id!=C.MPV_EVENT_END_FILE {
|
||||||
|
if !ctx.IsActive {
|
||||||
|
C.mpvend(mpv)
|
||||||
|
os.Remove(destination)
|
||||||
|
log.Println("mpv cancelled (", source, ", ", destination, ", ", ext, ")")
|
||||||
|
return
|
||||||
|
}
|
||||||
|
}
|
||||||
|
log.Println("mpv success (", source, ", ", destination, ", ", ext, ")")
|
||||||
|
C.mpvend(mpv)
|
||||||
|
}
|
89
update-cache.go
Normal file
89
update-cache.go
Normal file
|
@ -0,0 +1,89 @@
|
||||||
|
package main
|
||||||
|
|
||||||
|
import (
|
||||||
|
"github.com/mmcdole/gofeed"
|
||||||
|
"context"
|
||||||
|
"time"
|
||||||
|
"strings"
|
||||||
|
"strconv"
|
||||||
|
"net/url"
|
||||||
|
"log"
|
||||||
|
"os"
|
||||||
|
"encoding/base64"
|
||||||
|
)
|
||||||
|
|
||||||
|
func (ctx* ServerContext) UpdateCache() error {
|
||||||
|
defer ctx.WG.Done()
|
||||||
|
cache := make(map[string]string)
|
||||||
|
parser := gofeed.NewParser()
|
||||||
|
for _, feed := range ctx.Config.Feeds {
|
||||||
|
_ = feed
|
||||||
|
if feed.UseAuth {
|
||||||
|
parser.AuthConfig = &gofeed.Auth{ Username : feed.User, Password : feed.Pass }
|
||||||
|
} else {
|
||||||
|
parser.AuthConfig = nil
|
||||||
|
}
|
||||||
|
pctx, cancel := context.WithTimeout(context.Background(), time.Duration(ctx.Config.UpdateTimeout)*time.Second)
|
||||||
|
defer cancel()
|
||||||
|
if doc, err := parser.ParseURLWithContext(feed.URL, pctx); err!=nil {
|
||||||
|
log.Println(err)
|
||||||
|
} else {
|
||||||
|
for _, item := range doc.Items {
|
||||||
|
for _, enclosure := range item.Enclosures {
|
||||||
|
if !ctx.IsActive {
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
if strings.HasPrefix(enclosure.Type, "audio") {
|
||||||
|
log.Println("captured enclosure audio! @ " + enclosure.URL)
|
||||||
|
u, err := url.Parse(enclosure.URL)
|
||||||
|
if err!=nil {
|
||||||
|
log.Println(err)
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
new_filename := feed.Name + "/" + base64.StdEncoding.EncodeToString([]byte(u.Path)) + "." + feed.Convert;
|
||||||
|
if _, err := os.Stat(ctx.Config.FileRoot + "/" + new_filename); os.IsNotExist(err) {
|
||||||
|
old_url := enclosure.URL
|
||||||
|
enclosure.URL = ctx.Config.MediaProxyBaseURL + "/" + new_filename
|
||||||
|
enclosure.Type = "audio/" + feed.Convert
|
||||||
|
ctx.WG.Add(1)
|
||||||
|
ctx.MPVConvert(old_url, ctx.Config.FileRoot + "/" + new_filename, feed.Convert)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if media, has := item.Extensions["media"]; has {
|
||||||
|
if content, has := media["content"]; has {
|
||||||
|
for _, ext := range content{
|
||||||
|
if attr_type, has := ext.Attrs["type"]; has {
|
||||||
|
if strings.HasPrefix(attr_type, "audio") {
|
||||||
|
if source, has_url := ext.Attrs["url"]; has_url {
|
||||||
|
log.Println("captured extension audio! @ " + source)
|
||||||
|
new_filename := feed.Name + "/" + base64.StdEncoding.EncodeToString([]byte(source)) + "." + feed.Convert;
|
||||||
|
if _, err := os.Stat(ctx.Config.FileRoot + "/" + new_filename); os.IsNotExist(err) {
|
||||||
|
ext.Attrs["url"] = ctx.Config.MediaProxyBaseURL + "/" + new_filename
|
||||||
|
ext.Attrs["type"] = "audio/" + feed.Convert
|
||||||
|
ctx.WG.Add(1)
|
||||||
|
ctx.MPVConvert(source, ctx.Config.FileRoot + "/" + new_filename, feed.Convert)
|
||||||
|
if fi, err := os.Stat(ctx.Config.FileRoot + "/" + new_filename); err==nil {
|
||||||
|
ext.Attrs["fileSize"] = strconv.FormatInt(fi.Size(), 10)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
cache[feed.Name] = doc.String()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
ctx.FeedCache.Lock()
|
||||||
|
defer ctx.FeedCache.Unlock()
|
||||||
|
clear(ctx.FeedCache.Texts)
|
||||||
|
for k, v := range cache {
|
||||||
|
log.Println(k)
|
||||||
|
ctx.FeedCache.Texts[k] = v
|
||||||
|
}
|
||||||
|
log.Println("cache updated")
|
||||||
|
return nil
|
||||||
|
}
|
Loading…
Reference in a new issue