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util.cpython-310.pyc
o 6a@Q @ s~ U d Z ddlZddlZddlZddlZddlZddlZddlZddl Z ddl Z ddl Z ddl Z ddl mZ ddl mZ ddl mZ ddl mZ ddl mZ ddlZddlZddlmZ dd lmZ dd lmZ dd lmZ dd lm Z e j d Z e rddl Z e e!Z"e#ddZ$e#ddZ%dZ&dZ'dZ(e j)*dZ+e , Z-i Z.ee/ej0f e1d< dd Z2e"j3fddZ4dd Z5d d Z6d d Z7d!d" Z8d]d%d&Z9d^d(e/d)e/d*efd+d,Z:d-d. Z;d_d0d1Z<d`d3d4Z=d5d6 Z>d7d8 Z?d9d: Z@d;d< ZAd=d> ZBdad@dAZCdBdC ZDdbdDdEZEe FdFZGdGdH ZHG dIdJ dJejIZJdKdL ZKdMdN ZLdOdP ZMdQdR ZNdSdT ZOdUdV ZPdWdX ZQdYdZ ZRd[d\ ZSdS )czUtilities for all Certbot. N)Dict)IO)Text)Tuple)Union)errors) constants)lock) filesystem)oslinuxKeyzfile pemCSRzfile data formz[1mz[31mz[0m)z$The following error was encountered:z{0}zWEither run as root, or set --config-dir, --work-dir, and --logs-dir to writeable paths._LOCKSc sZ t j d vs d vr S dD ]} | v r*d fdd | dD | < q S )a When Certbot is run inside a Snap, certain environment variables are modified. But Certbot sometimes calls out to external programs, since it uses classic confinement. When we do that, we must modify the env to remove our modifications so it will use the system's libraries, since they may be incompatible with the versions of libraries included in the Snap. For example, apachectl, Nginx, and anything run from inside a hook should call this function and pass the results into the ``env`` argument of ``subprocess.Popen``. :returns: A modified copy of os.environ ready to pass to Popen :rtype: dict SNAPCERTBOT_SNAPPED)PATHLD_LIBRARY_PATH:c 3 s | ] } d |vr|V qdS )r N ).0xenvr ./usr/lib/python3/dist-packages/certbot/util.py <genexpr>W s z1env_no_snap_for_external_calls.<locals>.<genexpr>)r environcopyjoinsplit) path_namer r r env_no_snap_for_external_callsB s &r! c C s zt j| dt jt jdt d}W n ttfy) dd| }|| t|w |j dkrDdd| |j |j f }|| t||j |j fS )zRun the script with the given params. :param list params: List of parameters to pass to subprocess.run :param callable log: Logger method to use for errors FT)checkstdoutstderruniversal_newlinesr z Unable to run the command: %s r z Error while running %s. %s %s) subprocessrunPIPEr! OSError ValueErrorr r SubprocessError returncoder# r$ )paramslogprocmsgr r r run_script[ s( r2 c C sT t j| \}}|rt| S t jd t jD ]}tt j|| r' dS qdS )zDetermine whether path/name refers to an executable. :param str exe: Executable path or name :returns: If exe is a valid executable :rtype: bool r TF)r pathr r is_executabler pathsepr )exer3 _r r r exe_existsy s r8 c C s* t stt | t vrt| t | < dS dS )zLock the directory at dir_path until program exit. :param str dir_path: path to directory :raises errors.LockError: if the lock is held by another process N)r atexit_register_release_locksr lock_dir)dir_pathr r r lock_dir_until_exit s r= c C sH t D ]} z| W q d| }tj|dd Y qt d S )Nz(Exception occurred releasing lock: {0!r}Texc_info)r valuesreleaseformatloggerdebugclear)dir_lockr1 r r r r: s r: c C sR z t | || t| W dS ty( } ztjddd tt|d}~ww )ah Ensure directory exists with proper permissions and is locked. :param str directory: Path to a directory. :param int mode: Directory mode. :param bool strict: require directory to be owned by current user :raises .errors.LockError: if the directory cannot be locked :raises .errors.Error: if the directory cannot be made or verified zException was:Tr> N) make_or_verify_dirr= r* rC rD r Error PERM_ERR_FMTrB ) directorymodestricterrorr r r set_up_core_dir s rN Fc C sp z t | | W dS ty7 } z"|jtjkr+|r*t | |s*td| t|f n W Y d}~dS d}~ww )a Make sure directory exists with proper permissions. :param str directory: Path to a directory. :param int mode: Directory mode. :param bool strict: require directory to be owned by current user :raises .errors.Error: if a directory already exists, but has wrong permissions or owner :raises OSError: if invalid or inaccessible file names and paths, or other arguments that have the correct type, but are not accepted by the operating system. zE%s exists, but it should be owned by current user with permissions %sN) r makedirsr* errnoEEXISTcheck_permissionsr rH oct)rJ rK rL exceptionr r r rG s rG wr3 rK returnc C sL d}|dur |f}d}t j| tjtjB tjB g|R }tj||g|R S )zSafely open a file. :param str path: Path to a file. :param str mode: Same os `mode` for `open`. :param int chmod: Same as `mode` for `filesystem.open`, uses Python defaults if ``None``. r N)r openr O_CREATO_EXCLO_RDWRfdopen)r3 rK chmod open_args fdopen_argsfdr r r safe_open s "ra c C sn t j| ||}zt|||dt j|fW S ty1 } z |jtjkr' W Y d }~nd }~ww |d7 }q)NT)r] rK )r r3 r ra abspathr* rQ rR )r3 filename_patcountr] rK current_patherrr r r _unique_file s rh c s* t j| \} t| fddd||dS )zSafely finds a unique file. :param str path: path/filename.ext :param int chmod: File mode :param str mode: Open mode :returns: tuple of file object and file name c s d| f S )Nz%04d_%sr re tailr r <lambda> z unique_file.<locals>.<lambda>r rd re r] rK )r r3 r rh )r3 r] rK r rk r unique_file s rp c sr t j| d }z t||d|fW S ty+ } z |jtjkr! W Y d}~nd}~ww t| fddd||dS )a Safely finds a unique file using lineage convention. :param str path: directory path :param str filename: proposed filename :param int chmod: file mode :param str mode: open mode :returns: tuple of file object and file name (which may be modified from the requested one by appending digits to ensure uniqueness) :raises OSError: if writing files fails for an unanticipated reason, such as a full disk or a lack of permission to write to specified location. z%s.conf)r] Nc s d | f S )Nz %s-%04d.confr rj filenamer r rm rn z%unique_lineage_name.<locals>.<lambda>rb ro )r r3 r ra r* rQ rR rh )r3 rs r] rK preferred_pathrg r rr r unique_lineage_name s ru c C sF zt | W dS ty" } z|jtjkr W Y d}~dS d}~ww )z!Remove a file that may not exist.N)r remover* rQ ENOENT)r3 rg r r r safely_remove s rx c C sJ t }| D ] }z |t| W q tjy" tjd|dd Y qw |S )zRemoves names that aren't considered valid by Let's Encrypt. :param set all_names: all names found in the configuration :returns: all found names that are considered valid by LE :rtype: set zNot suggesting name "%s"Tr> )setaddenforce_le_validityr ConfigurationErrorrC rD ) all_namesfiltered_namesnamer r r get_filtered_names% s r c C s t ddS )zc Get OS name and version :returns: (os_name, os_version) :rtype: `tuple` of `str` Fpretty)get_python_os_infor r r r get_os_info6 s r c C s, t rtjdd} t r | sdtddS | S )z^ Get OS name and version string for User Agent :returns: os_ua :rtype: `str` Tr r& ) _USE_DISTROdistror r r )os_infor r r get_os_info_ua@ s r c C s t r t dS g S )z Get a list of strings that indicate the distribution likeness to other distributions. :returns: List of distribution acronyms :rtype: `list` of `str` r& )r r liker r r r r get_systemd_os_likeN s r /etc/os-releasec C s | d }t j|s dS t|d }| }W d n1 s w Y |D ]}| |r>t| t|d S q'dS )z Get single value from a file formatted like systemd /etc/os-release :param str varname: Name of variable to fetch :param str filepath: File path of os-release file :returns: requested value :rtype: `str` = rN) r r3 isfilerX readlinesstrip startswith_normalize_stringlen)varnamefilepath var_stringfhcontentsliner r r get_var_from_file[ s r c C s | dd dd S )zV Helper function for get_var_from_file() to remove quotes and whitespaces "r ')replacer )origr r r r q s r c C s@ t t t t }|\}}}| }|dr8tr8| r#t nt t }}|r0|}|r4|}||fS |drszt j ddgt j t j ddt d}W n tyh t j ddgt j t j ddt d}Y nw |jd }||fS |d r|d d }|d d }||fS t d rt d }||fS d}||fS )z Get Operating System type/distribution and major version using python platform module :param bool pretty: If the returned OS name should be in longer (pretty) form :returns: (os_name, os_version) :rtype: `tuple` of `str` r darwinz/usr/bin/sw_versz-productVersionFT)r# r$ r" r% r sw_vers freebsd-r .rb r )platform system_aliassystemrA versionlowerr r r r idr' r( r) r! r* r# rstrip partition win32_ver)r infoos_typeos_verr7 distro_namedistro_versionr0 r r r r x sR r z![a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+$c C s2 t | dur| d od| vS td| dS )z$Scrub email address before using it.Nr z..zInvalid email address: %s.F) EMAIL_REGEXmatchr rC rM )emailr r r safe_email s r c @ s e Zd ZdZdddZdS )DeprecatedArgumentActionz1Action to log a warning when an argument is used.Nc C s t d| t d S )NzUse of %s is deprecated.)warningswarnDeprecationWarning)selfunused1unused2unused3 option_stringr r r __call__ s z!DeprecatedArgumentAction.__call__N)__name__ __module__ __qualname____doc__r r r r r r s r c C sJ t tjvrttjtrtjt nt jt f7 _| |t tj|d dS )a Adds a deprecated argument with the name argument_name. Deprecated arguments are not shown in the help. If they are used on the command line, a warning is shown stating that the argument is deprecated and no other action is taken. :param callable add_argument: Function that adds arguments to an argument parser/group. :param str argument_name: Name of deprecated argument. :param nargs: Value for nargs when adding the argument to argparse. )actionhelpnargsN)r configargparse#ACTION_TYPES_THAT_DONT_NEED_A_VALUE isinstancery rz argparseSUPPRESS) add_argument argument_namer r r r add_deprecated_argument s r c C s t | } td| std| | d}t|dk r%td| |D ] }|dr7td|| | drEtd|| q'| S ) au Checks that Let's Encrypt will consider domain to be valid. :param str domain: FQDN to check :type domain: `str` or `unicode` :returns: The domain cast to `str`, with ASCII-only contents :rtype: str :raises ConfigurationError: for invalid domains and cases where Let's Encrypt currently will not issue certificates z^[A-Za-z0-9.-]*$zP{0} contains an invalid character. Valid characters are A-Z, a-z, 0-9, ., and -.r z {0} needs at least two labelsr z1label "{0}" in domain "{1}" cannot start with "-"z/label "{0}" in domain "{1}" cannot end with "-") enforce_domain_sanityrer r r| rB r r r endswith)domainlabelslabelr r r r{ s4 r{ c C s zt | tr | d} | d W n ty tdw | } | dr-| dd n| } dD ]}| d |rDtd | |q1t | rQtd | d | }t | d krdtd || d}|D ]}|swtd |t |dkrtd ||qk| S )a Method which validates domain value and errors out if the requirements are not met. :param domain: Domain to check :type domain: `str` or `unicode` :raises ConfigurationError: for invalid domains and cases where Let's Encrypt currently will not issue certificates :returns: The domain cast to `str`, with ASCII-only contents :rtype: str zutf-8asciizbNon-ASCII domain names not supported. To issue for an Internationalized Domain Name, use Punycode.r N)httphttpsz{0}://z[Requested name {0} appears to be a URL, not a FQDN. Try again without the leading "{1}://".zRequested name {0} is an IP address. The Let's Encrypt certificate authority will not issue certificates for a bare IP address.z*Requested domain {0} is not a FQDN because z{0} it is too long.z {0} it contains an empty label.? z{0} label {1} is too long.)r bytesdecodeencode UnicodeErrorr r| r r r rB is_ipaddressr r )r schemer1 r lr r r r sD r c C sV z t t j| W dS t jy* z t t j| W Y dS t jy) Y Y dS w w )zIs given address string form of IP(v4 or v6) address? :param address: address to check :type address: `str` or `unicode` :returns: True if address is valid IP address, otherwise return False. :rtype: bool TF)socket inet_ptonAF_INETrM AF_INET6)addressr r r r 7 s r c C s d}t | tr d}| |S )z"Is domain a wildcard domain? :param domain: domain to check :type domain: `bytes` or `str` or `unicode` :returns: True if domain is a wildcard, otherwise, False :rtype: bool s *.z*.)r strr )r wildcard_markerr r r is_wildcard_domainN s r c C s t j| ddS )zConverts a normalized version to a strict version. :param str normalized: normalized version string :returns: An equivalent strict version :rtype: distutils.version.StrictVersion z.deva) distutilsr StrictVersionr ) normalizedr r r get_strict_version^ s r c C s | t jkpd| v S )z Determine whether a given ACME server is a known test / staging server. :param str srv: the URI for the ACME server :returns: True iff srv is a known test / staging server :rtype bool: staging)r STAGING_URI)srvr r r is_stagingk s r c O s t jt| g|R i | dS )a Sets func to be called before the program exits. Special care is taken to ensure func is only called when the process that first imports this module exits rather than any child processes. :param function func: function to be called in case of an error N)atexitregister _atexit_callfuncargskwargsr r r r9 v s r9 c O s" t t kr| |i | d S d S r ) _INITIAL_PIDr getpidr r r r r s r )rO F)rV N)ri rV )rq rV )r )F)Tr r r collectionsdistutils.versionr rQ loggingr r r r' systypingr r r r r r r certbotr certbot._internalr r certbot.compatr r r r r getLoggerr rC namedtupler r ANSI_SGR_BOLD ANSI_SGR_REDANSI_SGR_RESETlinesepr rI r r r r LockFile__annotations__r! rM r2 r8 r= r: rN rG ra rh rp ru rx r r r r r r r compiler r Actionr r r{ r r r r r r9 r r r r r <module> s 8!;