a
    Lcòfa  ã                   @   sj  d dl Z d dlZd dlZd dlZd dlZd dlZd dlmZ d dlm	Z	 d dl
mZmZmZ d dlmZmZmZ d dlmZ d dlmZ d dlmZ d d	lmZ d d
lmZ d dlmZ d dlmZ d dl m!Z!m"Z" edddid�Z#dd„ Z$G dd„ de%ƒZ&G dd„ dƒZ'd+dd„Z(e j)dd„ ƒZ*dd„ Z+dd „ Z,d!d"„ Z-G d#d$„ d$ƒZ.G d%d&„ d&ƒZ/d'd(„ Z0d)d*„ Z1dS ),é    N)ÚPath)Úsettings)ÚHttp404ÚHttpResponseÚHttpResponseNotFound)ÚContextÚEngineÚTemplateDoesNotExist)Úpprint)Úresolve)Útimezone)ÚMultiValueDict)Ú	force_str)Úimport_string)Ú_lazy_re_compile)ÚPY311Úget_docs_versionTZi18nzdjango.templatetags.i18n)ÚdebugÚ	librariesc                 C   s   t tƒjd |  S )z½
    Return a path to a builtin template.

    Avoid calling this function at the module level or in a class-definition
    because __file__ may not exist, e.g. in frozen environments.
    Z	templates)r   Ú__file__Úparent)Úname© r   úO/home/httpd/docs/test/DocsMgr/lib/python3.9/site-packages/django/views/debug.pyÚbuiltin_template_path   s    r   c                   @   s   e Zd ZdS )ÚExceptionCycleWarningN)Ú__name__Ú
__module__Ú__qualname__r   r   r   r   r   )   s   r   c                   @   s    e Zd ZdZdd„ Zdd„ ZdS )ÚCallableSettingWrapperzÅ
    Object to wrap callable appearing in settings.
    * Not to call in the debug page (#21345).
    * Not to break the debug page if the callable forbidding to set attributes
      (#23070).
    c                 C   s
   || _ d S ©N)Ú_wrapped)ÚselfZcallable_settingr   r   r   Ú__init__5   s    zCallableSettingWrapper.__init__c                 C   s
   t | jƒS r    )Úreprr!   ©r"   r   r   r   Ú__repr__8   s    zCallableSettingWrapper.__repr__N)r   r   r   Ú__doc__r#   r&   r   r   r   r   r   -   s   r   éô  c                 C   sJ   t | ƒ| |||ƒ}|  d¡r0| ¡ }t||d�S | ¡ }t||dd�S dS )z‰
    Create a technical server error response. The last three arguments are
    the values returned from sys.exc_info() and friends.
    z	text/html)Ústatusztext/plain; charset=utf-8)r)   Úcontent_typeN)Úget_exception_reporter_classZacceptsÚget_traceback_htmlr   Úget_traceback_text)ÚrequestÚexc_typeÚ	exc_valueÚtbÚstatus_codeÚreporterÚhtmlÚtextr   r   r   Útechnical_500_response<   s    
ÿr6   c                   C   s   t tjƒƒ S r    )r   r   Z!DEFAULT_EXCEPTION_REPORTER_FILTERr   r   r   r   Ú%get_default_exception_reporter_filterL   s    r7   c                 C   s   t ƒ }t| d|ƒS )NZexception_reporter_filter)r7   Úgetattr)r.   Zdefault_filterr   r   r   Úget_exception_reporter_filterR   s    r9   c                 C   s   t tjƒ}t| d|ƒS )NZexception_reporter_class)r   r   ZDEFAULT_EXCEPTION_REPORTERr8   )r.   Z default_exception_reporter_classr   r   r   r+   W   s    ÿÿr+   c                 C   sB   | j }|d u r0zt| jƒ}W n ty.   Y n0 |d u r<dS |jS )NÚ )Úresolver_matchr   Úpathr   Z
_func_path)r.   r;   r   r   r   Ú
get_caller`   s    r=   c                   @   sj   e Zd ZdZdZedejd�Zdd„ Z	dd„ Z
d	d
„ Zdd„ Zdd„ Zdd„ Zdd„ Zdd„ Zdd„ ZdS )ÚSafeExceptionReporterFilterz‹
    Use annotations made by the sensitive_post_parameters and
    sensitive_variables decorators to filter out sensitive information.
    z********************z/API|TOKEN|KEY|SECRET|PASS|SIGNATURE|HTTP_COOKIE)Úflagsc                    s¾   |t jkrd}n(zˆ j |¡}W n ty6   d}Y n0 |rDˆ j}nft|tƒrf‡ fdd„| ¡ D ƒ}nDt|t	ƒr„‡ fdd„|D ƒ}n&t|t
ƒr¦t
‡ fdd„|D ƒƒ}n|}t|ƒrºt|ƒ}|S )z¦
        Cleanse an individual setting key/value of sensitive content. If the
        value is a dictionary, recursively cleanse the keys in that dictionary.
        TFc                    s   i | ]\}}|ˆ   ||¡“qS r   ©Úcleanse_setting©Ú.0ÚkÚvr%   r   r   Ú
<dictcomp>…   ó    z?SafeExceptionReporterFilter.cleanse_setting.<locals>.<dictcomp>c                    s   g | ]}ˆ   d |¡‘qS ©r:   r@   ©rC   rE   r%   r   r   Ú
<listcomp>‡   rG   z?SafeExceptionReporterFilter.cleanse_setting.<locals>.<listcomp>c                    s   g | ]}ˆ   d |¡‘qS rH   r@   rI   r%   r   r   rJ   ‰   rG   )r   ZSESSION_COOKIE_NAMEÚhidden_settingsÚsearchÚ	TypeErrorÚcleansed_substituteÚ
isinstanceÚdictÚitemsÚlistÚtupleÚcallabler   )r"   ÚkeyÚvalueZis_sensitiveÚcleansedr   r%   r   rA   u   s$    




z+SafeExceptionReporterFilter.cleanse_settingc                 C   s4   i }t tƒD ]"}| ¡ r|  |tt|ƒ¡||< q|S )z‡
        Return a dictionary of the settings module with values of sensitive
        settings replaced with stars (*********).
        )Údirr   ÚisupperrA   r8   )r"   Zsettings_dictrD   r   r   r   Úget_safe_settings’   s
    z-SafeExceptionReporterFilter.get_safe_settingsc                    s&   t |dƒsi S ‡ fdd„|j ¡ D ƒS )zU
        Return a dictionary of request.META with sensitive values redacted.
        ÚMETAc                    s   i | ]\}}|ˆ   ||¡“qS r   r@   rB   r%   r   r   rF   £   rG   zESafeExceptionReporterFilter.get_safe_request_meta.<locals>.<dictcomp>)Úhasattrr[   rQ   ©r"   r.   r   r%   r   Úget_safe_request_meta�   s    
z1SafeExceptionReporterFilter.get_safe_request_metac                    s&   t |dƒsi S ‡ fdd„|j ¡ D ƒS )zX
        Return a dictionary of request.COOKIES with sensitive values redacted.
        ÚCOOKIESc                    s   i | ]\}}|ˆ   ||¡“qS r   r@   rB   r%   r   r   rF   «   rG   z@SafeExceptionReporterFilter.get_safe_cookies.<locals>.<dictcomp>)r\   r_   rQ   r]   r   r%   r   Úget_safe_cookies¥   s    
z,SafeExceptionReporterFilter.get_safe_cookiesc                 C   s
   t jdu S )a  
        This filter is to add safety in production environments (i.e. DEBUG
        is False). If DEBUG is True then your site is not safe anyway.
        This hook is provided as a convenience to easily activate or
        deactivate the filter on a per request basis.
        F)r   ÚDEBUGr]   r   r   r   Ú	is_active­   s    z%SafeExceptionReporterFilter.is_activec                 C   sB   t |dg ƒ}|  |¡r>|r>| ¡ }|D ]}||v r&| j||< q&|S )zç
        Replace the keys in a MultiValueDict marked as sensitive with stars.
        This mitigates leaking sensitive POST parameters if something like
        request.POST['nonexistent_key'] throws an exception (#21098).
        Úsensitive_post_parameters)r8   rb   ÚcopyrN   )r"   r.   Zmultivaluedictrc   Úparamr   r   r   Úget_cleansed_multivaluedict¶   s    z7SafeExceptionReporterFilter.get_cleansed_multivaluedictc                 C   s|   |du ri S t |dg ƒ}|  |¡rr|rr|j ¡ }|dkrP|D ]}| j||< q<|S |D ]}||v rT| j||< qT|S n|jS dS )zk
        Replace the values of POST parameters marked as sensitive with
        stars (*********).
        Nrc   Ú__ALL__)r8   rb   ÚPOSTrd   rN   )r"   r.   rc   rW   rD   re   r   r   r   Úget_post_parametersÄ   s     ÿ
z/SafeExceptionReporterFilter.get_post_parametersc              
   C   sT   zt |tƒ}W n0 ty> } zd ||¡W  Y d }~S d }~0 0 |rP|  ||¡}|S )Nz{!r} while evaluating {!r})rO   r   Ú	ExceptionÚformatrf   )r"   r.   rV   Zis_multivalue_dictÚer   r   r   Úcleanse_special_typesß   s    "z1SafeExceptionReporterFilter.cleanse_special_typesc           	      C   s  |j }d}|durH|jjdkr@d|jv r@|jd }t|ddƒ}qH|j }q
i }|  |¡r´|r´|dkrz|jD ]}| j||< qhqØ|j ¡ D ],\}}||v rœ| j}n|  ||¡}|||< q„n$|j ¡ D ]\}}|  ||¡||< q¾|jjdk�rd|jv �r| j|d< | j|d< | ¡ S )ze
        Replace the values of variables marked as sensitive with
        stars (*********).
        NZsensitive_variables_wrapperÚsensitive_variablesrg   Ú	func_argsZfunc_kwargs)	Úf_backÚf_codeÚco_nameÚf_localsr8   rb   rN   rQ   rm   )	r"   r.   Útb_frameÚcurrent_framern   ÚwrapperrW   r   rV   r   r   r   Úget_traceback_frame_variablesí   s<    
ÿþ


ÿþ

z9SafeExceptionReporterFilter.get_traceback_frame_variablesN)r   r   r   r'   rN   r   ÚreÚIrK   rA   rZ   r^   r`   rb   rf   ri   rm   rw   r   r   r   r   r>   j   s   ÿ	r>   c                   @   s|   e Zd ZdZedd„ ƒZedd„ ƒZddd„Zd	d
„ Zdd„ Z	dd„ Z
dd„ Zdd„ Zddd„Zdd„ Zdd„ Zdd„ ZdS )ÚExceptionReporterz0Organize and coordinate reporting on exceptions.c                 C   s   t dƒS )Nztechnical_500.html©r   r%   r   r   r   Úhtml_template_path'  s    z$ExceptionReporter.html_template_pathc                 C   s   t dƒS )Nztechnical_500.txtr{   r%   r   r   r   Útext_template_path+  s    z$ExceptionReporter.text_template_pathFc                 C   sJ   || _ t| j ƒ| _|| _|| _|| _|| _t| jdd ƒ| _d| _	d | _
d S )NZtemplate_debugF)r.   r9   Úfilterr/   r0   r1   Úis_emailr8   Útemplate_infoÚtemplate_does_not_existÚ
postmortem)r"   r.   r/   r0   r1   r   r   r   r   r#   /  s    zExceptionReporter.__init__c                 C   s    dj | jj| j ¡ | j ¡ d�S )z•
        Return an absolute URI from variables available in this request. Skip
        allowed hosts protection, so may return insecure URI.
        z{scheme}://{host}{path})ÚschemeÚhostr<   )rk   r.   rƒ   Z_get_raw_hostZget_full_pathr%   r   r   r   Ú_get_raw_insecure_uri;  s
    ýz'ExceptionReporter._get_raw_insecure_uric                 C   sž  | j r*t| j tƒr*d| _| jjp&| jg| _|  ¡ }t|ƒD ]p\}}d|v r¢g }|d D ]B\}}t	|ƒ}t
|ƒdkrŠd|dd… t
|ƒf }| ||f¡ qV||d< |||< q:d}| j �r0t| j tƒ�r0t| jddƒ}t| jd	dƒ}	|du�r0|	du�r0| jjd
 }
t|
t|d dƒt|	d t
|
ƒƒ… ddd�}ddlm} | jdu �rNd}n*zt| jjƒ}W n t�yv   d}Y n0 | j||| j| j | j¡| j | j¡ ¡ |t| j | j¡ ¡ ƒ| j ¡ t j!dt j"dd…  t# $¡ |ƒ t j%| j&| j| jdœ}| jdu�r8| jj' ¡ |d< | jj( ¡ |d< |  )¡ |d< t*| jƒ|d< | j �rL| j j+|d< | j�rˆt| jƒ|d< t| jddƒ }�rˆdd ,|¡ |d< |�rš|d |d< |S )z5Return a dictionary containing traceback information.TÚvarsi   u   %sâ€¦ <trimmed %d bytes string>r   r:   ÚstartNÚendé   é   ÚasciiÚreplace)Úerrors)Úget_versionz%[unable to retrieve the current user]z%d.%d.%dé   )r   Úunicode_hintÚframesr.   Zrequest_metaZrequest_COOKIES_itemsÚuser_strZfiltered_POST_itemsr   Zsys_executableZsys_version_infoZserver_timeZdjango_version_infoÚsys_pathr€   r�   r‚   Zrequest_GET_itemsZrequest_FILES_itemsZrequest_insecure_uriÚraising_view_nameZexception_typeZexception_valueZ	__notes__Ú
Zexception_noteséÿÿÿÿZ	lastframe)-r/   Ú
issubclassr	   r�   r0   Úchainr‚   Úget_traceback_framesÚ	enumerater
   ÚlenÚappendÚUnicodeErrorr8   Úargsr   ÚmaxÚminÚdjangorŽ   r.   ÚstrÚuserrj   r   r~   r^   r`   rQ   rR   ri   rZ   ÚsysÚ
executableÚversion_infor   Únowr<   r€   ÚGETZFILESr…   r=   r   Újoin)r"   r‘   ÚiÚframeZ
frame_varsrD   rE   r�   r‡   rˆ   Zunicode_strrŽ   r’   ÚcZ	exc_notesr   r   r   Úget_traceback_dataF  s„    
"ý
ÿíz$ExceptionReporter.get_traceback_datac                 C   sV   | j jdd��}t | ¡ ¡}W d  ƒ n1 s20    Y  t|  ¡ dd�}| |¡S )z1Return HTML version of debug 500 HTTP error page.úutf-8©ÚencodingNF)Úuse_l10n)r|   ÚopenÚDEBUG_ENGINEÚfrom_stringÚreadr   r­   Úrender©r"   ÚfhÚtr¬   r   r   r   r,   –  s    ,z$ExceptionReporter.get_traceback_htmlc                 C   sX   | j jdd��}t | ¡ ¡}W d  ƒ n1 s20    Y  t|  ¡ ddd�}| |¡S )z7Return plain text version of debug 500 HTTP error page.r®   r¯   NF)Z
autoescaper±   )r}   r²   r³   r´   rµ   r   r­   r¶   r·   r   r   r   r-   �  s    ,z$ExceptionReporter.get_traceback_textc                 C   sš   d }t |dƒr@z| |¡}W n ty.   Y n0 |d ur@| ¡ }|d u r–z:t|dƒ�}| ¡  ¡ }W d   ƒ n1 sv0    Y  W n ty”   Y n0 |S )NÚ
get_sourceÚrb)r\   rº   ÚImportErrorÚ
splitlinesr²   rµ   ÚOSError)r"   ÚfilenameÚloaderÚmodule_nameÚsourceÚfpr   r   r   Ú_get_source¤  s    
.zExceptionReporter._get_sourceNc                    sä   |   |||¡}|du r"dg dg fS t|d tƒrzd‰ |dd… D ]&}t d|¡}|r@|d  d¡‰  qhq@‡ fdd„|D ƒ}td|| ƒ}	|| }
z(||	|… }|| }||d |
… }W n tyÖ   dg dg f Y S 0 |	|||fS )	z—
        Return context_lines before and after lineno from file.
        Return (pre_context_lineno, pre_context, context_line, post_context).
        Nr   r‹   é   s   coding[:=]\s*([-\w.]+)r‰   c                    s   g | ]}t |ˆ d ƒ‘qS )rŒ   )r¢   )rC   Úsliner¯   r   r   rJ   Ì  rG   z:ExceptionReporter._get_lines_from_file.<locals>.<listcomp>)rÄ   rO   Úbytesrx   rL   ÚdecoderŸ   Ú
IndexError)r"   r¿   ÚlinenoZcontext_linesrÀ   rÁ   rÂ   ÚlineÚmatchÚlower_boundÚupper_boundÚpre_contextÚcontext_lineÚpost_contextr   r¯   r   Ú_get_lines_from_fileµ  s(    z&ExceptionReporter._get_lines_from_filec                 C   s4   t |dd ƒ}t |dd ƒ}t |dd ƒ}|p2|r0d S |S )NÚ	__cause__Ú__suppress_context__Ú__context__)r8   )r"   r0   ÚexplicitZsuppress_contextZimplicitr   r   r   Ú_get_explicit_or_implicit_causeÙ  s    z1ExceptionReporter._get_explicit_or_implicit_causec                 C   s¤   g }| j }|r>| |¡ |  |¡}||v r
t d| t¡ q>q
g }|sJ|S | ¡ }|s\| jn|j}| 	|  
||¡¡ z| ¡ }W n ty–   Y q Y n0 |j}qb|S )NzHCycle in the exception chain detected: exception '%s' encountered again.)r0   rœ   r×   ÚwarningsÚwarnr   Úpopr1   Ú__traceback__ÚextendÚget_exception_traceback_framesrÉ   )r"   Ú
exceptionsr0   r‘   r1   r   r   r   r™   ß  s2    

ÿý
z&ExceptionReporter.get_traceback_framesc                 c   sÀ  |   |¡}t|ddƒ}|d u r.||d ddœV  |d u�r¼|jj d¡rN|j}q.|jjj}|jjj}|j	d }|jj
 d¡}|jj
 d¡pŠd	}	|  ||d
||	¡\}
}}}|
d u r¾|}
g }d}g }d	 }}t�rdtt |jj ¡ |jd d ¡ƒ\}}}}|�rd|�rdd||  }d|tt|d ƒƒ d  }d|› |› �}dd| t|ƒt| ¡ ƒ   }d|› |› �}||||	 d¡�rzdnd|||d | j | j|j¡t|ƒ||||
d ||dœV  |j}q.d S )NrÓ   Tr£   )Ú	exc_causeÚexc_cause_explicitr1   ÚtypeZ__traceback_hide__r‰   Ú
__loader__r   r:   é   z<source code not available>rÅ   ú^ú r•   é   zdjango.r¡   )rß   rà   r1   rá   r¿   ÚfunctionrÊ   r†   ÚidrÏ   rÐ   rÑ   Úpre_context_linenoÚcolnoÚtb_area_colno)r×   r8   rt   rs   ÚgetÚtb_nextrq   Úco_filenamerr   Ú	tb_linenoÚ	f_globalsrÒ   r   ÚnextÚ	itertoolsÚisliceZco_positionsÚtb_lastir›   r¢   ÚlstripÚ
startswithr~   rw   r.   rè   )r"   r0   r1   rß   rà   r¿   rç   rÊ   rÀ   rÁ   ré   rÏ   rÐ   rÑ   rê   rë   Ú_Zstart_columnZ
end_columnÚ	underlineÚspacesZtb_area_spacesr   r   r   rÝ      s�    
ü



ûûÿÿÿþÿÿïz0ExceptionReporter.get_exception_traceback_frames)F)NN)r   r   r   r'   Úpropertyr|   r}   r#   r…   r­   r,   r-   rÄ   rÒ   r×   r™   rÝ   r   r   r   r   rz   $  s    


P ÿ
$!rz   c           
      C   sŠ  z|j d d }W n& tttfy8   | jdd… }Y n0 z|j d d }W n. tttfyz   d}| jrr| jjnd}Y np0 d}|râ| jdkrêt|ƒdkrêt|d ƒdkrêt	|d d d	d
ƒt	|d d dd
ƒ  krÞdkrên nt
| ƒS t	| dtjƒ}t|tjƒ�r|j}tdƒjdd��}t | ¡ ¡}W d  ƒ n1 �sB0    Y  tƒ }t|tj|||t|ƒ| | ¡ t| ƒdœ	ƒ}	t| |	¡ƒS )zBCreate a technical 404 error response. `exception` is the Http404.r   r<   r‰   NÚtriedTFú/Zapp_namer:   Ú	namespaceZadminÚurlconfztechnical_404.htmlr®   r¯   )	rþ   Zroot_urlconfÚrequest_pathZurlpatternsÚresolvedÚreasonr.   r   r”   )rž   rÉ   rM   ÚKeyErrorZ	path_infor;   rû   r<   r›   r8   Údefault_urlconfr   ZROOT_URLCONFrO   ÚtypesÚ
ModuleTyper   r   r²   r³   r´   rµ   r7   r   r¢   rZ   r=   r   r¶   )
r.   Ú	exceptionZ	error_urlrû   r   rþ   r¸   r¹   Zreporter_filterr¬   r   r   r   Útechnical_404_responseN  sT    ÿ
þýûú
.÷ÿr  c                 C   sZ   t dƒjdd��}t | ¡ ¡}W d  ƒ n1 s40    Y  tdtƒ iƒ}t| |¡ƒS )z+Create an empty URLconf 404 error response.zdefault_urlconf.htmlr®   r¯   NÚversion)	r   r²   r³   r´   rµ   r   r   r   r¶   )r.   r¸   r¹   r¬   r   r   r   r  }  s    ,ÿÿr  )r(   )2Ú	functoolsrò   rx   r¤   r  rØ   Úpathlibr   Zdjango.confr   Zdjango.httpr   r   r   Zdjango.templater   r   r	   Zdjango.template.defaultfiltersr
   Zdjango.urlsr   Zdjango.utilsr   Zdjango.utils.datastructuresr   Zdjango.utils.encodingr   Zdjango.utils.module_loadingr   Zdjango.utils.regex_helperr   Zdjango.utils.versionr   r   r³   r   ÚUserWarningr   r   r6   Ú	lru_cacher7   r9   r+   r=   r>   rz   r  r  r   r   r   r   Ú<module>   sJ   þ


	
 ;  ,/