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This commit is contained in:
Ludovic Fernandez 2018-03-23 13:30:03 +01:00 • committed by Traefiker Bot
parent c762b9bb2e
commit 4802484729
28 changed files with 4095 additions and 2464 deletions
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17
rules/rules.go
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@ -188,7 +188,7 @@ func (r *Rules) parseRules(expression string, onRule func(functionName string, f
}
if len(expression) == 0 {
return errors.New("Empty rule")
return errors.New("empty rule")
}
f := func(c rune) bool {
@ -208,16 +208,18 @@ func (r *Rules) parseRules(expression string, onRule func(functionName string, f
if len(parsedFunctions) == 0 {
return fmt.Errorf("error parsing rule: '%s'", rule)
}
functionName := strings.TrimSpace(parsedFunctions[0])
parsedFunction, ok := functions[functionName]
if !ok {
return fmt.Errorf("error parsing rule: '%s'. Unknown function: '%s'", rule, parsedFunctions[0])
}
parsedFunctions = append(parsedFunctions[:0], parsedFunctions[1:]...)
// get function
fargs := func(c rune) bool {
return c == ','
}
// get function
parsedArgs := strings.FieldsFunc(strings.Join(parsedFunctions, ":"), fargs)
if len(parsedArgs) == 0 {
return fmt.Errorf("error parsing args from rule: '%s'", rule)
@ -229,7 +231,7 @@ func (r *Rules) parseRules(expression string, onRule func(functionName string, f
err := onRule(functionName, parsedFunction, parsedArgs)
if err != nil {
return fmt.Errorf("Parsing error on rule: %v", err)
return fmt.Errorf("parsing error on rule: %v", err)
}
}
return nil
@ -238,6 +240,7 @@ func (r *Rules) parseRules(expression string, onRule func(functionName string, f
// Parse parses rules expressions
func (r *Rules) Parse(expression string) (*mux.Route, error) {
var resultRoute *mux.Route
err := r.parseRules(expression, func(functionName string, function interface{}, arguments []string) error {
inputs := make([]reflect.Value, len(arguments))
for i := range arguments {
@ -252,21 +255,22 @@ func (r *Rules) Parse(expression string) (*mux.Route, error) {
if resultRoute.GetError() != nil {
return resultRoute.GetError()
}
} else {
return fmt.Errorf("Method not found: '%s'", functionName)
return fmt.Errorf("method not found: '%s'", functionName)
}
return nil
})
if err != nil {
return nil, fmt.Errorf("error parsing rule: %v", err)
}
return resultRoute, nil
}
// ParseDomains parses rules expressions and returns domains
func (r *Rules) ParseDomains(expression string) ([]string, error) {
domains := []string{}
var domains []string
err := r.parseRules(expression, func(functionName string, function interface{}, arguments []string) error {
if functionName == "Host" {
domains = append(domains, arguments...)
@ -276,5 +280,6 @@ func (r *Rules) ParseDomains(expression string) ([]string, error) {
if err != nil {
return nil, fmt.Errorf("error parsing domains: %v", err)
}
return fun.Map(types.CanonicalDomain, domains).([]string), nil
}