mirror of https://github.com/hashicorp/consul
67 lines
2.0 KiB
Go
67 lines
2.0 KiB
Go
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package ca
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import (
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"bytes"
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"fmt"
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"os"
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"strings"
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"github.com/hashicorp/consul/agent/structs"
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)
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// left out 2 config options as we are re-using vault agent's auth config.
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// Why?
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// remove_secret_id_file_after_reading - don't remove what we don't own
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// secret_id_response_wrapping_path - wrapping the secret before writing to disk
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// (which we don't need to do)
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func NewAppRoleAuthClient(authMethod *structs.VaultAuthMethod) (*VaultAuthClient, error) {
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authClient := NewVaultAPIAuthClient(authMethod, "")
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// check for hardcoded /login params
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if legacyCheck(authMethod.Params, "role_id", "secret_id") {
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return authClient, nil
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}
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// check for required config params
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key := "role_id_file_path"
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if val, ok := authMethod.Params[key].(string); !ok {
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return nil, fmt.Errorf("missing '%s' value", key)
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} else if strings.TrimSpace(val) == "" {
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return nil, fmt.Errorf("'%s' value is empty", key)
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}
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authClient.LoginDataGen = ArLoginDataGen
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return authClient, nil
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}
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func ArLoginDataGen(authMethod *structs.VaultAuthMethod) (map[string]any, error) {
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// don't need to check for legacy params as this func isn't used in that case
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params := authMethod.Params
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// role_id is required
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roleIdFilePath := params["role_id_file_path"].(string)
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// secret_id is optional (secret_ok is used in check below)
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// secretIdFilePath, secret_ok := params["secret_id_file_path"].(string)
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secretIdFilePath, hasSecret := params["secret_id_file_path"].(string)
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if hasSecret && strings.TrimSpace(secretIdFilePath) == "" {
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hasSecret = false
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}
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var err error
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var rawRoleID, rawSecretID []byte
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data := make(map[string]any)
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if rawRoleID, err = os.ReadFile(roleIdFilePath); err != nil {
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return nil, err
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}
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data["role_id"] = string(rawRoleID)
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if hasSecret {
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switch rawSecretID, err = os.ReadFile(secretIdFilePath); {
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case err != nil:
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return nil, err
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case len(bytes.TrimSpace(rawSecretID)) > 0:
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data["secret_id"] = strings.TrimSpace(string(rawSecretID))
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}
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}
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return data, nil
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}
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