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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| package main | ||
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| import ( | ||
| "context" | ||
| "net/url" | ||
| "regexp" | ||
|
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| validation "github.com/go-ozzo/ozzo-validation/v4" | ||
| "github.com/go-ozzo/ozzo-validation/v4/is" | ||
| ) | ||
|
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| func init() { | ||
| validation.ErrorTag = "mapstructure" | ||
| } | ||
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| type Config struct { | ||
| Context Context `mapstructure:"context"` | ||
| Servers map[string]Server `mapstructure:"servers"` | ||
| } | ||
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| func (c Config) ValidateWithContext(ctx context.Context) error { | ||
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| servers := make([]interface{}, 0) | ||
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| for s := range c.Servers { | ||
| servers = append(servers, s) | ||
| } | ||
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| ctx = context.WithValue(ctx, "servers", servers) | ||
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| return validation.ValidateStructWithContext(ctx, &c, | ||
| validation.Field(&c.Context), | ||
| validation.Field(&c.Servers, validation.Length(1, 0)), | ||
| ) | ||
| } | ||
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| type Context struct { | ||
| Server string `mapstructure:"server"` | ||
| } | ||
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| func (c Context) ValidateWithContext(ctx context.Context) error { | ||
| servers, ok := ctx.Value("servers").([]interface{}) | ||
| if !ok { | ||
| panic(`fail to find "servers" key in context`) | ||
| } | ||
|
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| return validation.ValidateStructWithContext(ctx, &c, | ||
| validation.Field(&c.Server, validation.Required, validation.In(servers...)), | ||
| ) | ||
| } | ||
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| type Server struct { | ||
| Token string `mapstructure:"token"` | ||
| URL string `mapstructure:"url"` | ||
| Proxy *string `mapstructure:"proxy"` | ||
| Insecure bool `mapstructure:"insecure"` | ||
| } | ||
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| func (c Server) ValidateWithContext(ctx context.Context) error { | ||
| return validation.ValidateStructWithContext(ctx, &c, | ||
| validation.Field(&c.Token, | ||
| validation.Required, | ||
| validation.Match(regexp.MustCompile("[a-f0-9]{32}")), | ||
| ), | ||
| validation.Field(&c.URL, validation.Required, is.URL), | ||
| validation.Field(&c.Proxy, is.URL), | ||
| ) | ||
| } | ||
|
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| func (c *Server) BaseURL() *url.URL { | ||
| u, err := url.Parse(c.URL) | ||
| if err != nil { | ||
| // Already passed validation, must be valid URL. | ||
| panic(err) | ||
| } | ||
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| return u | ||
| } | ||
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| func (c *Server) ProxyURL() *url.URL { | ||
| if c.Proxy == nil { | ||
| return nil | ||
| } | ||
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| u, err := url.Parse(*c.Proxy) | ||
| if err != nil { | ||
| // Already passed validation, must be valid URL. | ||
| panic(err) | ||
| } | ||
|
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||
| return u | ||
| } |
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