jschoubben
0dbe8f9a32
The operator sees per module and node what is assigned, what the node reports and what it waits on; a have with no open assignment is left behind, never running.
79 lines
2.0 KiB
Go
79 lines
2.0 KiB
Go
package nkeys
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import (
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"bytes"
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"regexp"
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"strings"
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)
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var userConfigRE = regexp.MustCompile(`\s*(?:(?:[-]{3,}.*[-]{3,}\r?\n)([\w\-.=]+)(?:\r?\n[-]{3,}.*[-]{3,}\r?\n))`)
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// ParseDecoratedJWT takes a creds file and returns the JWT portion.
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func ParseDecoratedJWT(contents []byte) (string, error) {
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items := userConfigRE.FindAllSubmatch(contents, -1)
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if len(items) == 0 {
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return string(contents), nil
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}
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// First result should be the user JWT.
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// We copy here so that if the file contained a seed file too we wipe appropriately.
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raw := items[0][1]
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tmp := make([]byte, len(raw))
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copy(tmp, raw)
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return strings.TrimSpace(string(tmp)), nil
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}
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// ParseDecoratedNKey takes a creds file, finds the NKey portion and creates a
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// key pair from it.
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func ParseDecoratedNKey(contents []byte) (KeyPair, error) {
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var seed []byte
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items := userConfigRE.FindAllSubmatch(contents, -1)
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if len(items) > 1 {
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seed = items[1][1]
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} else {
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lines := bytes.Split(contents, []byte("\n"))
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for _, line := range lines {
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if bytes.HasPrefix(bytes.TrimSpace(line), []byte("SO")) ||
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bytes.HasPrefix(bytes.TrimSpace(line), []byte("SA")) ||
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bytes.HasPrefix(bytes.TrimSpace(line), []byte("SU")) {
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seed = line
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break
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}
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}
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}
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if seed == nil {
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return nil, ErrNoSeedFound
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}
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if !bytes.HasPrefix(seed, []byte("SO")) &&
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!bytes.HasPrefix(seed, []byte("SA")) &&
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!bytes.HasPrefix(seed, []byte("SU")) {
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return nil, ErrInvalidNkeySeed
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}
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kp, err := FromSeed(seed)
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if err != nil {
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return nil, err
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}
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return kp, nil
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}
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// ParseDecoratedUserNKey takes a creds file, finds the NKey portion and creates a
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// key pair from it. Similar to ParseDecoratedNKey but fails for non-user keys.
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func ParseDecoratedUserNKey(contents []byte) (KeyPair, error) {
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nk, err := ParseDecoratedNKey(contents)
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if err != nil {
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return nil, err
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}
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seed, err := nk.Seed()
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if err != nil {
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return nil, err
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}
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if !bytes.HasPrefix(seed, []byte("SU")) {
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return nil, ErrInvalidUserSeed
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}
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kp, err := FromSeed(seed)
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if err != nil {
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return nil, err
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}
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return kp, nil
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}
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