o
    ˷eD[                     @   s^  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  edddidZ!dd Z"G dd de#Z$G dd dZ%d+ddZ&e j'dd Z(dd Z)dd  Z*d!d" Z+G d#d$ d$Z,G d%d& d&Z-d'd( Z.d)d* Z/dS ),    N)Path)settings)Http404HttpResponseHttpResponseNotFound)ContextEngineTemplateDoesNotExist)pprint)resolve)timezone)MultiValueDict)	force_str)import_string)_lazy_re_compile)get_docs_versionTi18nzdjango.templatetags.i18n)debug	librariesc                 C   s   t tjd |  S )z
    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.
    	templates)r   __file__parent)name r   I/var/www/ideatree/venv/lib/python3.10/site-packages/django/views/debug.pybuiltin_template_path   s   r   c                   @   s   e Zd ZdS )ExceptionCycleWarningN)__name__
__module____qualname__r   r   r   r   r   (   s    r   c                   @   s    e Zd ZdZdd Zdd ZdS )CallableSettingWrapperz
    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)_wrapped)selfcallable_settingr   r   r   __init__4      
zCallableSettingWrapper.__init__c                 C   s
   t | jS r!   )reprr"   r#   r   r   r   __repr__7   r&   zCallableSettingWrapper.__repr__N)r   r   r   __doc__r%   r)   r   r   r   r   r    ,   s    r      c                 C   sF   t | | |||}| dr| }t||dS | }t||d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)statusztext/plain; charset=utf-8)r,   content_type)get_exception_reporter_classacceptsget_traceback_htmlr   get_traceback_text)requestexc_type	exc_valuetbstatus_codereporterhtmltextr   r   r   technical_500_response;   s   
r:   c                   C   s   t tj S r!   )r   r   !DEFAULT_EXCEPTION_REPORTER_FILTERr   r   r   r   %get_default_exception_reporter_filterK   s   r<   c                 C   s   t  }t| d|S )Nexception_reporter_filter)r<   getattr)r2   default_filterr   r   r   get_exception_reporter_filterQ   s   r@   c                 C   s   t tj}t| d|S )Nexception_reporter_class)r   r   DEFAULT_EXCEPTION_REPORTERr>   )r2    default_exception_reporter_classr   r   r   r.   V   s   r.   c                 C   sB   | j }|d u rzt| j}W n	 ty   Y nw |d u rdS |jS )N )resolver_matchr   pathr   
_func_path)r2   rE   r   r   r   
get_caller_   s   rH   c                   @   sb   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S )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)flagsc                    s   z j |}W n ty   d}Y nw |r j}n3t|tr+ fdd| D }n"t|tr: fdd|D }nt|trKt fdd|D }n|}t	|rUt
|}|S )z
        Cleanse an individual setting key/value of sensitive content. If the
        value is a dictionary, recursively cleanse the keys in that dictionary.
        Fc                       i | ]\}}|  ||qS r   cleanse_setting.0kvr(   r   r   
<dictcomp>       z?SafeExceptionReporterFilter.cleanse_setting.<locals>.<dictcomp>c                       g | ]}  d |qS rD   rL   rO   rQ   r(   r   r   
<listcomp>       z?SafeExceptionReporterFilter.cleanse_setting.<locals>.<listcomp>c                    rT   rU   rL   rV   r(   r   r   rW      rX   )hidden_settingssearch	TypeErrorcleansed_substitute
isinstancedictitemslisttuplecallabler    )r#   keyvalueis_sensitivecleansedr   r(   r   rM   t   s"   


z+SafeExceptionReporterFilter.cleanse_settingc                 C   s4   i }t tD ]}| r| |tt|||< q|S )z
        Return a dictionary of the settings module with values of sensitive
        settings replaced with stars (*********).
        )dirr   isupperrM   r>   )r#   settings_dictrP   r   r   r   get_safe_settings   s   z-SafeExceptionReporterFilter.get_safe_settingsc                    s&   t |dsi S  fdd|j D S )zU
        Return a dictionary of request.META with sensitive values redacted.
        METAc                    rK   r   rL   rN   r(   r   r   rR      rS   zESafeExceptionReporterFilter.get_safe_request_meta.<locals>.<dictcomp>)hasattrrk   r_   r#   r2   r   r(   r   get_safe_request_meta   s   
z1SafeExceptionReporterFilter.get_safe_request_metac                 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   DEBUGrm   r   r   r   	is_active   s   
z%SafeExceptionReporterFilter.is_activec                 C   sB   t |dg }| |r|r| }|D ]}||v r| j||< q|S )z
        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).
        sensitive_post_parameters)r>   rp   copyr\   )r#   r2   multivaluedictrq   paramr   r   r   get_cleansed_multivaluedict   s   
z7SafeExceptionReporterFilter.get_cleansed_multivaluedictc                 C   sv   |du ri S t |dg }| |r8|r8|j }|dkr(|D ]}| j||< q|S |D ]}||v r5| j||< q*|S |jS )zk
        Replace the values of POST parameters marked as sensitive with
        stars (*********).
        Nrq   __ALL__)r>   rp   POSTrr   r\   )r#   r2   rq   rf   rP   rt   r   r   r   get_post_parameters   s"   

z/SafeExceptionReporterFilter.get_post_parametersc              
   C   sT   zt |t}W n ty } zd||W  Y d }~S d }~ww |r(| ||}|S )Nz{!r} while evaluating {!r})r]   r   	Exceptionformatru   )r#   r2   rd   is_multivalue_dicter   r   r   cleanse_special_types   s   z1SafeExceptionReporterFilter.cleanse_special_typesc           	      C   s  |j }d}|dur'|jjdkr d|jv r |jd }t|dd}n|j }|dus	i }| |r]|r]|dkr@|jD ]}| j||< q7n/|j D ]\}}||v rQ| j}n| ||}|||< qEn|j D ]\}}| ||||< qb|jjdkrd|jv r| j|d< | j|d< | S )ze
        Replace the values of variables marked as sensitive with
        stars (*********).
        Nsensitive_variables_wrappersensitive_variablesrv   	func_argsfunc_kwargs)	f_backf_codeco_namef_localsr>   rp   r\   r_   r}   )	r#   r2   tb_framecurrent_framer   wrapperrf   r   rd   r   r   r   get_traceback_frame_variables   s:   



	


z9SafeExceptionReporterFilter.get_traceback_frame_variablesN)r   r   r   r*   r\   r   reIrY   rM   rj   rn   rp   ru   rx   r}   r   r   r   r   r   rI   i   s    	rI   c                   @   s~   e Zd ZdZedd Zedd 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 )ExceptionReporterz0Organize and coordinate reporting on exceptions.c                 C      t dS )Nztechnical_500.htmlr   r(   r   r   r   html_template_path     z$ExceptionReporter.html_template_pathc                 C   r   )Nztechnical_500.txtr   r(   r   r   r   text_template_path  r   z$ExceptionReporter.text_template_pathFc                 C   sJ   || _ t| j | _|| _|| _|| _|| _t| jdd | _d| _	d | _
d S )Ntemplate_debugF)r2   r@   filterr3   r4   r5   is_emailr>   template_infotemplate_does_not_exist
postmortem)r#   r2   r3   r4   r5   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})schemehostrF   )rz   r2   r   _get_raw_hostget_full_pathr(   r   r   r   _get_raw_insecure_uri/  s
   z'ExceptionReporter._get_raw_insecure_uric                 C   s  | j rt| j trd| _| jjp| jg| _|  }t|D ]8\}}d|v rQg }|d D ]!\}}t	|}t
|dkrEd|dd t
|f }|||f q+||d< |||< qd}| j rt| j trt| jdd}t| jd	d}	|dur|	dur| jjd
 }
t|
t|d dt|	d t
|
 ddd}ddlm} | jdu rd}nzt| jj}W n ty   d}Y nw i d| jd|d|d| jd| j| jd|dt| j| j d| j dtj ddtj!dd  dt"# d| dtj$d | j%d!| jd"| j}| jdur5| jj& |d#< | jj' |d$< | jj( |d%< | ) |d&< t*| j|d'< | j r?| j j+|d(< | jrJt| j|d)< |rS|d* |d+< |S ),z5Return a dictionary containing traceback information.Tvarsi   u   %s… <trimmed %d bytes string>r   rD   startNend      asciireplace)errors)get_versionz%[unable to retrieve the current user]r   unicode_hintframesr2   request_metauser_strfiltered_POST_itemsr   sys_executablesys_version_infoz%d.%d.%d   server_timedjango_version_infosys_pathr   r   r   request_GET_itemsrequest_FILES_itemsrequest_COOKIES_itemsrequest_insecure_uriraising_view_nameexception_typeexception_value	lastframe),r3   
issubclassr	   r   r4   chainr   get_traceback_frames	enumerater
   lenappendUnicodeErrorr>   argsr   maxmindjangor   r2   struserry   r   r   rn   r`   rx   r_   rj   sys
executableversion_infor   nowrF   r   GETFILESCOOKIESr   rH   r   )r#   r   iframe
frame_varsrP   rQ   r   r   r   unicode_strr   r   cr   r   r   get_traceback_data:  s   
"


z$ExceptionReporter.get_traceback_datac                 C   sV   | j jdd}t| }W d   n1 sw   Y  t|  dd}||S )z1Return HTML version of debug 500 HTTP error page.utf-8encodingNF)use_l10n)r   openDEBUG_ENGINEfrom_stringreadr   r   renderr#   fhtr   r   r   r   r0     s
   
z$ExceptionReporter.get_traceback_htmlc                 C   sX   | j jdd}t| }W d   n1 sw   Y  t|  ddd}||S )z7Return plain text version of debug 500 HTTP error page.r   r   NF)
autoescaper   )r   r   r   r   r   r   r   r   r   r   r   r   r1     s
   
z$ExceptionReporter.get_traceback_textc                 C   s   d }t |dr z||}W n	 ty   Y nw |d ur | }|d u rOz t|d}|  }W d    W |S 1 s=w   Y  W |S  tyN   Y |S w |S )N
get_sourcerb)rl   r   ImportError
splitlinesr   r   OSError)r#   filenameloadermodule_namesourcefpr   r   r   _get_source  s,   
zExceptionReporter._get_sourceNc                    s   |  |||}|du rdg dg fS t|d tr=d |dd D ]}td|}|r3|d d  nq  fdd|D }td|| }	|| }
z||	| }|| }||d |
 }W n tyk   dg dg f Y S w |	|||fS )	z
        Return context_lines before and after lineno from file.
        Return (pre_context_lineno, pre_context, context_line, post_context).
        Nr   r      s   coding[:=]\s*([-\w.]+)r   c                    s   g | ]}t | d qS )r   )r   )rO   sliner   r   r   rW     rX   z:ExceptionReporter._get_lines_from_file.<locals>.<listcomp>)r   r]   bytesr   rZ   decoder   
IndexError)r#   r   linenocontext_linesr   r   r   linematchlower_boundupper_boundpre_contextcontext_linepost_contextr   r   r   _get_lines_from_file  s,   z&ExceptionReporter._get_lines_from_filec                 C   s4   t |dd }t |dd }t |dd }|p|rd S |S )N	__cause____suppress_context____context__)r>   )r#   r4   explicitsuppress_contextimplicitr   r   r   _get_explicit_or_implicit_cause  s   z1ExceptionReporter._get_explicit_or_implicit_causec                 C   s   g }| j }|r || | |}||v rtd| t n|sg }|s&|S | }|s/| jn|j}	 |	| 
|| z| }W n
 tyL   Y |S w |j}q3)NzHCycle in the exception chain detected: exception '%s' encountered again.)r4   r   r  warningswarnr   popr5   __traceback__extendget_exception_traceback_framesr   )r#   
exceptionsr4   r   r5   r   r   r   r     s:   

z&ExceptionReporter.get_traceback_framesc                 c   s   |  |}t|dd}|d u r||d ddV  |d ur|jjdr'|j}q|jjj}|jjj}|j	d }|jj
d}|jj
dpEd	}	| ||d
||	\}
}}}|
d u r_|}
g }d}g }||||	dridnd|||d | j| j|jt|||||
d dV  |j}|d usd S d S )Nr   Tr   )	exc_causeexc_cause_explicitr5   type__traceback_hide__r   
__loader__r   rD      z<source code not available>zdjango.r   )r	  r
  r5   r  r   functionr   r   idr   r   r   pre_context_lineno)r  r>   r   r   gettb_nextr   co_filenamer   	tb_lineno	f_globalsr   
startswithr   r   r2   r  )r#   r4   r5   r	  r
  r   r  r   r   r   r  r   r   r   r   r   r   r    sj   



z0ExceptionReporter.get_exception_traceback_frames)F)NN)r   r   r   r*   propertyr   r   r%   r   r   r0   r1   r   r   r  r   r  r   r   r   r   r     s"    


N
$!r   c           
      C   s  z	|j d d }W n tttfy   | jdd }Y nw z	|j d d }W n tttfy=   d}| jr9| jjnd}Y n;w d}|rt| jdkrxt|dkrxt|d dkrxt	|d d d	d
t	|d d dd
  krrdkrxt
| S  nt
| S t	| dtj}t|tjr|j}tdjdd}t| }W d   n1 sw   Y  t }t|tj|||t|| | t| d	}	t||	S )zBCreate a technical 404 error response. `exception` is the Http404.r   rF   r   NtriedTF/app_namerD   	namespaceadminurlconfztechnical_404.htmlr   r   )	r  root_urlconfrequest_pathurlpatternsresolvedreasonr2   r   r   )r   r   r[   KeyError	path_inforE   r  rF   r   r>   default_urlconfr   ROOT_URLCONFr]   types
ModuleTyper   r   r   r   r   r   r<   r   r   rj   rH   r   r   )
r2   	exception	error_urlr  r"  r  r   r   reporter_filterr   r   r   r   technical_404_response,  sX   
r-  c                 C   sZ   t djdd}t| }W d   n1 sw   Y  tdt i}t||S )z+Create an empty URLconf 404 error response.zdefault_urlconf.htmlr   r   Nversion)	r   r   r   r   r   r   r   r   r   )r2   r   r   r   r   r   r   r&  [  s   r&  )r+   )0	functoolsr   r   r(  r  pathlibr   django.confr   django.httpr   r   r   django.templater   r   r	   django.template.defaultfiltersr
   django.urlsr   django.utilsr   django.utils.datastructuresr   django.utils.encodingr   django.utils.module_loadingr   django.utils.regex_helperr   django.utils.versionr   r   r   UserWarningr   r    r:   	lru_cacher<   r@   r.   rH   rI   r   r-  r&  r   r   r   r   <module>   sJ    


	
 0  /