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o �AdH � @ sp d Z ddlZddlmZ ddlmZ e�e�Zg d�Z dd� Z dd � Z dd d �Z ddd�Z dd� Zddd�ZdS )z0gpg.py - Collection of gpg key related functions� N)�log)�subp)�gpgz--with-fingerprintz--no-default-keyringz --list-keysz --keyringc C s\ zt j ddd| gdd�\}}W |S t jy- } zt�d| |� d}W Y d}~|S d}~ww )z*Export gpg key, armoured key gets returnedr z--exportz--armourT��capture�&Failed to export armoured key "%s": %sN)r �ProcessExecutionError�LOG�debug)�key�armour�_�error� r �//usr/lib/python3/dist-packages/cloudinit/gpg.py� export_armour s ����r c C s t j ddg| dd�jS )z~Dearmor gpg key, dearmored key gets returned note: man gpg(1) makes no mention of an --armour spelling, only --armor r z --dearmorF)�data�decode)r �stdout)r r r r �dearmor' s r Fc C sN g }|� t� |s|�d� |�| � tj|dd�\}}|r%t�d| |� |S )z�List keys from a keyring with fingerprints. Default to a stable machine parseable format. @param key_file: a string containing a filepath to a key @param human_output: return output intended for human parsing z --with-colonsTr r )�extend�GPG_LIST�appendr r �warning)�key_file� human_output�cmdr �stderrr r r �list/ s r �� r c C s� t �d| |� ddd| d| g}|du rg }d}d}t|�} |d 7 }ztj|dd � t �d | ||� W dS tjyJ } z|}W Y d}~nd}~ww zt|�}t �d |j|� t�|� W n t yu } z t d | |||f �|�d}~ww q )a� Receive gpg key from the specified keyserver. Retries are done by default because keyservers can be unreliable. Additionally, there is no way to determine the difference between a non-existant key and a failure. In both cases gpg (at least 2.2.4) exits with status 2 and stderr: "keyserver receive failed: No data" It is assumed that a key provided to cloud-init exists on the keyserver so re-trying makes better sense than failing. @param key: a string key fingerprint (as passed to gpg --recv-keys). @param keyserver: the keyserver to request keys from. @param retries: an iterable of sleep lengths for retries. Use None to indicate no retries.z&Importing key '%s' from keyserver '%s'r z--no-ttyz--keyserver=%sz --recv-keysNr Tr r z/Imported key '%s' from keyserver '%s' on try %dz6Import failed with exit code %d, will try again in %ssz@Failed to import key '%s' from keyserver '%s' after %d tries: %s) r r �iterr r �next� exit_code�time�sleep� StopIteration� ValueError) r � keyserver�retriesr �trynumr �sleeps�e�naplenr r r �recv_keyB sR ���� ������r. c C sV zt j dddd| gdd� W dS t jy* } zt�d| |� W Y d}~dS d}~ww ) z0Delete the specified key from the local gpg ringr z--batchz--yesz --delete-keysTr zFailed delete key "%s": %sN)r r r r )r r r r r � delete_keys s � ��r/ �keyserver.ubuntu.comc C s` t | �}|s.z"z t| |d� t | �}W n ty! t�d| � � w W t| � |S t| � w |S )z get gpg keyid from keyserver)r( zFailed to obtain gpg key %s)r r. r' r � exceptionr/ )�keyidr( r r r r � getkeybyid} s �� �r3 )F)r )r0 )�__doc__r$ � cloudinitr �loggingr � getLogger�__name__r r r r r r. r/ r3 r r r r �<module> s 1
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