97 lines
4.1 KiB
Go
97 lines
4.1 KiB
Go
package pwgenerator
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import (
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"encoding/xml"
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"time"
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)
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// pwHash is an explicit hash algorithm.
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type pwHash uint8
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// cryptoShuffler is used to shuffle a slice in a cryptographically sane way.
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type cryptoShuffler struct{}
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// Char is implemented as a rune.
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type Char rune
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// CharSet is a collection of characters (Char) but with additional methods (e.g. sort.Sort interface conformance).
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type CharSet []Char
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// GenOpts controls what kind of (and how many) password(s) should be generated.
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type GenOpts struct {
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/*
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Some references below contain a reference to the character's hex ASCII.
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If you need the decimal/octal/etc. reference instead, you can cross-reference
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it via https://square-r00t.net/ascii.html.
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*/
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/*
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HumanOnly avoids visually-ambiguous characters if enabled, ensuring a more readable, visually-distinguishable,
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and accessible but MUCH smaller password character space (from about 220 characters to ), thus much less secure.
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TODO: Get feedback on this. I feel like I'm trimming out WAY too many chars.
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*/
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// HumanOnly bool `json:"do_human_readable"`
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// Alpha is true if letters (0x41 to 0x5a, 0x61 to 0x7a) should be included.
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Alpha bool `json:"do_alpha"`
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// Numeric is true if numbers (0x30 to 0x39) should be included.
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Numeric bool `json:"do_numeric"`
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// Symbols is true if non-alphanumeric characters (between 0x21 and 0x7e) should be included.
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Symbols bool `json:"do_symbols"`
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// ExtendedSymbols is true if non-alphanumeric characters in the "extended ASCII" set (0x80 to 0xff) should be included.
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ExtendedSymbols bool `json:"do_extended"`
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// CountUpper specifies how many uppercase letters (0x41 to 0x5a) should be specified at a minimum.
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CountUpper uint `json:"uppers"`
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// CountLower specifies how many lowercase letters (0x61 to 0x7a) should be specified at a minimum.
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CountLower uint `json:"lowers"`
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// CountNumbers specifies how many numbers (0x30 to 0x39) should be specified at a minimum.
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CountNumbers uint `json:"numbers"`
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// CountSymbols specifies how many symbols (0x21 to 0x7e) should be specified at a minimum.
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CountSymbols uint `json:"symbols"`
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// CountExtended specifies how many extended symbols (0x80 to 0xff) should be specified at a minimum.
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CountExtended uint `json:"extended"`
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// DisabledChars includes characters that should NOT be included from the above selection options.
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DisabledChars CharSet `json:"disabled_chars"`
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// LengthMin specifies how long (in characters/bytes) each password should be at minimum. Use 0 for no minimum.
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LengthMin uint `json:"length_min"`
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/*
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LengthMax specifies the maximum length for each password. Set to 0 for no limit
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(the language has a hard limit of 18446744073709551615; this is limited to 256 for performance reasons).
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*/
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LengthMax uint `json:"length_max"`
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// Count specifies how many passwords to generate. If 0, the default is 1.
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Count uint `json:"count"`
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// explicitCharset is the collection of acceptable characters as explicitly defined by the caller, if any.
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explicitCharset CharSet
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}
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// PwCollection contains the full series of generated passwords.
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type PwCollection struct {
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XMLName xml.Name `json:"-" yaml:"-"`
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Passwords []*PwDef `json:"password_defs" yaml:"Password Definitions" xml:"passwordDefs"`
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}
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// PwDef contains a generated password and related metadata.
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type PwDef struct {
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XMLName xml.Name `json:"-" yaml:"-"`
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Password string `json:"password" yaml:"Password" xml:"password,attr"`
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Generated time.Time `json:"generated" yaml:"Generated" xml:"generated,attr"`
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Hashes []PwHashDef `json:"hashes,omitempty" yaml:"Hashes,omitempty" xml:"hashes,omitempty"`
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// Hashes []PwHashDef `json:"hashes" yaml:"Hashes" xml:"hashes"`
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}
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// PwHashDef defines a hash for a PwDef (once we implement it).
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type PwHashDef struct {
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XMLName xml.Name `json:"-" yaml:"-"`
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HashType string `json:"hash_algo" yaml:"Hash Algorithm" xml:"hashAlgo,attr"`
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HashString string `json:"hash" yaml:"Hash" xml:",chardata"`
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}
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// selectFilter is used to include specified number of characters.
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type selectFilter struct {
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upperCounter uint
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lowerCounter uint
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numberCounter uint
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symbolCounter uint
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extendedCounter uint
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}
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