­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ 3 ctjc@sdZddlmZmZmZddlmZddlZddlZddl Z ddl m Z ddl mZddlmZddlZddlZddlZdd d d d d dddddddddgZdadaddZddZddZddZeadadejdddfd d Zd4d!d Zd5d"d Z d#d Z!d$d%Z"d&dZ#Gd'ddZ$Gd(d d Z%ejfd)dZ&d6d*dZ'ejfd+dZ(d,dZ)d-dZ*d.dZ+d/dZ,d7d0dZ-d1d2Z.e/d3kre&dS)8z2.6)StringIOBytesIO TextIOWrapper)MappingN) FeedParser)Message)warnMiniFieldStorage FieldStorageparseparse_qs parse_qslparse_multipart parse_headertestprint_exception print_environ print_formprint_directoryprint_argumentsprint_environ_usageescapec GsHtr.t r.yttdaWntk r,YnXts8tantat|dS)Na)logfilelogfpopenOSErrornologlogdolog)allargsr"/usr/lib64/python3.6/cgi.pyinitlog:s r$cGstj||ddS)N )rwrite)Zfmtargsr"r"r#r ]sr cGsdS)Nr")r!r"r"r#rasrcCsdatrtjdatadS)Nr)rrcloser$rr"r"r"r#closeloges r)c Cs\|dkrtj}t|dr |j}nd}t|tr4|j}d|krDd|d<|ddkr t|d\}}|dkrxt|||dS|d krt |d }t r|t krt d |j |j |} nd } d |kr| r| d} | |d } n*tjddr| r| d} | tjd} | |d <nencodelocalegetpreferredencodingrr7rr TypeErrorrZr5r8r@rr6r*errorsrXryrt outerboundary bytes_readlimitrr|r}rMrw _binary_filer{ innerboundaryr9r;r:lengthrxrzdoneread_urlencoded read_multi read_single)rqr@rZrrArBrCrr*rrr/methodrGZcdisprErDZclenr"r"r#rrs/                         zFieldStorage.__init__c Cs(y|jjWntk r"YnXdS)N)rzr(AttributeError)rqr"r"r#__del__;szFieldStorage.__del__cCs|S)Nr")rqr"r"r# __enter__AszFieldStorage.__enter__cGs|jjdS)N)rzr()rqr'r"r"r#__exit__DszFieldStorage.__exit__cCsd|j|j|jfS)NzFieldStorage(%r, %r, %r))rMrwrp)rqr"r"r#rsGszFieldStorage.__repr__cCs t|jS)N)iterkeys)rqr"r"r#__iter__LszFieldStorage.__iter__cCsT|dkrt||jr:|jjd|jj}|jjdn|jdk rL|j}nd}|S)Nrpr)rrzseekr<rx)rqrMrpr"r"r# __getattr__Os   zFieldStorage.__getattr__cCsb|jdkrtdg}x"|jD]}|j|kr|j|qW|sFt|t|dkrZ|dS|SdS)Nz not indexabler3r)rxrrMrUKeyErrorrb)rqr]founditemr"r"r# __getitem__\s    zFieldStorage.__getitem__cCs8||kr0||}t|tr(dd|DS|jSn|SdS)NcSsg|] }|jqSr")rp).0xr"r"r# osz)FieldStorage.getvalue..)r7rxrp)rqr]defaultrpr"r"r#getvaluejs  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d}|jjdd|D|jpp|j}|jj}t|tstd|jt|jf|jt|7_x6|jd|jkr|r|jj}|jt|7_qW|j }|dk r|t|j8}x,t} d} x$|jj} | | 7} | jsPqW| sBP|jt| 7_| j| j|j |j | j} d| kr| d=||j| |||||j|j|j |j ||j d } |dk r|d 8}| jr|t| j8}|d krtd |j| j7_|jj| | j s.|j|j!ko&d knr Pq W|j"dS) Nz&Invalid boundary in multipart form: %r)r*rrr/css|]\}}t||VqdS)N)r )rr]rpr"r"r#rsz*FieldStorage.read_multi..z%s should return bytes, got %ss--rJzcontent-length)r/r3rzMax number of fields exceeded)#rrPr;rxrr?r r rBrCr*rrr/extendFieldStorageClass __class__r@rRr7rXryrtrrbrcrZfeedr=r(rrUrrr)rqrArBrCZibrklassZ first_linerparserZhdr_textrYrZpartr"r"r#rsj               (zFieldStorage.read_multicCs4|jdkr|j|jn|j|jjddS)Nr)r read_binaryr read_linesrzr)rqr"r"r#rs   zFieldStorage.read_singleicCs|j|_|j}|dkrxx|dkr|jjt||j}t|tsXt d|jt |j f|j t |7_ |svd|_P|jj||t |}qWdS)Nrz%s should return bytes, got %sr3rN) make_filerzrr@r<minbufsizer7rXr;ryrtrrbrr&)rqZtodorYr"r"r#rs    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What follows is a test, not an actual exception:

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Traceback (most recent call last):

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Shell Environment:

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Form Contents:

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Current Working Directory:

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Command Line Arguments:

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These environment variables could have been set:

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  • CONTENT_LENGTH
  • CONTENT_TYPE
  • DATE_GMT
  • DATE_LOCAL
  • DOCUMENT_NAME
  • DOCUMENT_ROOT
  • DOCUMENT_URI
  • GATEWAY_INTERFACE
  • LAST_MODIFIED
  • PATH
  • PATH_INFO
  • PATH_TRANSLATED
  • QUERY_STRING
  • REMOTE_ADDR
  • REMOTE_HOST
  • REMOTE_IDENT
  • REMOTE_USER
  • REQUEST_METHOD
  • SCRIPT_NAME
  • SERVER_NAME
  • SERVER_PORT
  • SERVER_PROTOCOL
  • SERVER_ROOT
  • SERVER_SOFTWARE
In addition, HTTP headers sent by the server may be passed in the environment as well. Here are some common variable names:
  • HTTP_ACCEPT
  • HTTP_CONNECTION
  • HTTP_HOST
  • HTTP_PRAGMA
  • HTTP_REFERER
  • HTTP_USER_AGENT
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