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ad90e0b39d
* Add random string generator with rules engine This adds a random string generation library that validates random strings against a set of rules. The library is designed for use as generating passwords, but can be used to generate any random strings.
36 lines
891 B
Go
36 lines
891 B
Go
package random
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import (
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"fmt"
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)
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type ruleConstructor func(map[string]interface{}) (Rule, error)
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var (
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// defaultRuleNameMapping is the default mapping of HCL rule names to the appropriate rule constructor.
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// Add to this map when adding a new Rule type to be recognized in HCL.
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defaultRuleNameMapping = map[string]ruleConstructor{
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"charset": ParseCharset,
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}
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defaultRegistry = Registry{
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Rules: defaultRuleNameMapping,
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}
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)
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// Registry of HCL rule names to rule constructors.
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type Registry struct {
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// Rules maps names of rules to a constructor for the rule
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Rules map[string]ruleConstructor
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}
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func (r Registry) parseRule(ruleType string, ruleData map[string]interface{}) (rule Rule, err error) {
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constructor, exists := r.Rules[ruleType]
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if !exists {
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return nil, fmt.Errorf("unrecognized rule type %s", ruleType)
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}
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rule, err = constructor(ruleData)
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return rule, err
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}
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