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* email/email.scm (define-atom-pattern): Do not capture cfws unless
specified.
(atom): Do not specify cfws.
(define-dot-atom-pattern): Do not capture cfws.
(define-word-pattern): New macro.
(cfws-captured-atom, cfws-captured-word): New patterns.
(obs-phrase): Use cfws-captured-word.
(received-token): Capture all.
(parse-mime-entity): Post process received and received-token.
* tests/email.scm ("parse email headers"): Fix test.
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* email/email.scm (obs-day-of-week, obs-day, obs-year, obs-hour,
obs-minute, obs-second, obs-zone): New macros.
(day-of-week, day, year, hours, minutes, seconds, zone): Include
obsolete pattern.
(parse-email-headers): Handle obsolete two and three digit years, and
alphabetic time zone specifiers.
* tests/email.scm ("RFC5322 A.6.2. Obsolete dates"): New test.
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* email/email.scm (obs-qp, obs-fws, obs-no-ws-ctl, obs-ctext,
obs-qtext, obs-phrase, obs-local-part, obs-dtext, obs-domain,
obs-domain-list, obs-route, obs-angle-addr, captured-atom,
captured-obs-domain, captured-domain, obs-mbox-list, obs-group-list,
obs-addr-list, obs-id-left, obs-id-right): New patterns.
(quoted-pair, fws, ctext, qtext, phrase, dtext,
define-angle-addr-pattern, mailbox-list, group-list, address-list,
define-field-pattern, from, sender, bcc, id-left, id-right,
resent-from, resent-sender, resent-bcc, obs-resent-rply): Include
obsolete pattern.
(define-printable-ascii-character-pattern-with-obsolete,
define-atom-pattern, define-obs-domain-pattern): New macros.
(define-domain-pattern): Accept obs-domain as a new argument.
(fields): Include obs-resent-rply.
* tests/email.scm ("RFC5322 A.6.1. Obsolete addressing"): New test.
("parse email addresses with period in name"): Mark as passing.
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* tests/email.scm ("parse email addresses with period in name"): New
test.
Reported-by: Ricardo Wurmus <rekado@elephly.net>
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* tests/base64.scm ("base64 random bytevector: base64-encode and
base64-decode are inverses of each other", "base64 random
bytevector: encoded output should not be more than 76 columns wide",
"base64 random bytevector: encoded output must only consist of
characters from the base64 alphabet"): Test inputs of different lengths.
* tests/quoted-printable.scm ("quoted-printable random bytevector:
quoted-printable-encode and quoted-printable-decode are inverses of
each other", "quoted-printable random bytevector: encoded output
should not be more than 76 columns wide", "quoted-printable random
bytevector: encoded output must only consist of printable ASCII
characters", "q-encoding random bytevector: q-encoding-encode and
q-encoding-decode are inverses of each other"): Test inputs of
different lengths.
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* tests/encoding.scm: Move common code for encoding tests to this new
file.
* tests/quoted-printable.scm: Load encoding.scm.
* tests/base64.scm: New file.
* Makefile.am (SCM_TESTS): Register tests/base64.scm.
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* email/utils.scm (read-while, read-bytes-till): Do not return eof if
matched at beginning. Return empty string or bytevector respectively.
* tests/utils.scm ("read-bytes-till returns empty bytevector on match
at beginning", "read-while returns empty string on match at
beginning"): New tests.
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* tests/email.scm ("References header with only one reference must be
a singleton list, not a string"): New test.
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* tests/email.scm ("Keywords header must be a list"): Title case
header name. Remove unnecessary blank line.
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* email/email.scm (post-process-fields): Treat blank Subject headers
as having the null string as value.
* tests/email.scm ("blank Subject header must be treated as having the
null string as value"): New test.
Reported-by: Ricardo Wurmus <rekado@elephly.net>
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* email/email.scm (parse-email-headers): Return keywords header as a
list of strings.
* tests/email.scm ("keywords header must be a list"): New test.
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* email/email.scm (body->mime-entities, email->headers+body): Reindent
calls to call-with-port.
* email/quoted-printable.scm (quoted-printable-encode,
q-encoding-encode): Reindent calls to call-with-port.
* tests/utils.scm ("read-bytes-till returns eof-object on end of
file"): Reindent call to call-with-port.
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* email/email.scm (post-process-content-type): Use alist-combine to
override charset more strongly than just appending to the alist.
* tests/email.scm ("tolerate invalid charset"): Update test.
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* tests/email.scm (alist=?, body=?, email=?, mime-entity=?): New
functions.
(test-alist=, test-email=): New macros.
("parse email headers", "tolerate invalid charset", "tolerate decoding
errors in body"): Use test-alist=.
("RFC5322 A.1.1. A message from one person to another with simple
addressing", "parse email headers", "RFC2046 5.1.1. Common syntax",
"decode MIME entity without headers", "multipart email with a 8 bit
encoding and non UTF-8 charset part", "decode utf-8 characters in
headers", "tolerate non-ascii non-utf-8 characters in headers",
"tolerate decoding errors in body"): Use test-email=.
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* email/email.scm (decode-body): Tolerate decoding errors in the body
using the substitute conversion strategy.
* tests/email.scm ("tolerate decoding errors in body"): New test.
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* email/email.scm (post-process-content-type): If charset is invalid,
assume default UTF-8 as charset.
* tests/email.scm ("tolerate invalid charset"): New test.
Reported-by: Ricardo Wurmus <rekado@elephly.net>
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* email/email.scm (decode-mime-encoded-word): Tolerate decoding errors
in MIME encoded words using the substitute conversion strategy.
* tests/email.scm ("tolerate decoding errors in MIME encoded words"):
New test.
Reported-by: Christopher Baines <mail@cbaines.net>
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* email/email.scm (email->headers+body): If non-ASCII non-UTF-8
characters occur in the headers, do not raise a decoding error. Work
around using the substitute conversion strategy.
* tests/email.scm ("tolerate non-ASCII characters in headers"): Rename
to "decode utf-8 characters in headers".
("tolerate non-ascii non-utf-8 characters in headers"): New test.
Reported-by: Christopher Baines <mail@cbaines.net>
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We tolerate non-ASCII characters in headers in order to support Emacs
message mode parens style addresses.
* email/email.scm (email->headers+body): Read headers as UTF-8
characters.
* tests/email.scm ("tolerate non-ascii characters in headers"): New
tests.
Reported-by: Christopher Baines <mail@cbaines.net>
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* tests/quoted-printable.scm: Remove execution permission.
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* tests/email.scm ("RFC5322 A.1.1. A message from one person to
another with simple addressing", "RFC5322 A.1.2. Different types of
mailboxes"): New tests.
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* tests/utils.scm ("read-while returns eof-object on end of file"):
New test.
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* email/utils.scm (read-bytes-till): Return eof-object, not #vu8(), on
end of file.
* tests/utils.scm: New file.
* Makefile.am (SCM_TESTS): Register it.
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* tests/email.scm ("RFC2046 5.1.1. Common syntax"): New test.
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* email/email.scm (email->headers+body): If there are no headers,
return "" as headers not an eof-object.
(parse-email-body): Parse headers of parent entity or email to
parse-mime-entity.
(add-default-mime-entity-headers): New function.
(parse-mime-entity): Use add-default-mime-entity-headers instead of
add-default-headers. Handle MIME entities without headers.
* tests/email.scm ("decode MIME entity without headers"): New test.
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Prior to this, parse-email would accept email in the form of a
string. A string is constrained to use the same encoding for all its
characters whereas an email can have characters encoded using
different encoding schemes. Therefore, it is more correct that
parse-email deals with bytevectors instead of strings.
* email/utils.scm (read-bytes-till): New function.
* email/email.scm (body->mime-entities, email->headers+body,
decode-body): Deal with emails as bytevectors instead of strings.
(parse-mime-entity): Rename text argument to bv.
(parse-email, parse-email-body): Overload to handle input in the form
of a string or bytevector.
* doc/guile-email.texi (Parsing e-mail): Document overloading of
parse-email and parse-email-body.
* tests/email.scm ("handle truncated multipart message gracefully"):
Deal in bytevectors instead of strings.
("email with 8 bit encoding and non UTF-8 charset", "multipart email
with a 8 bit encoding and non UTF-8 charset part"): New tests.
* tests/email-with-8bit-encoding-and-non-utf8-charset,
tests/multipart-email-with-a-8bit-encoding-and-non-utf8-charset-part:
New files.
Reported-by: Jack Hill <jackhill@jackhill.us>
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Prior to this, MIME encoded words in the Subject header were not
decoded.
* email/email.scm (parse-email-headers): Decode MIME encoded words in
Subject header.
* tests/email.scm ("decode MIME encoded words in Subject header"): New
test.
Reported-by: Ricardo Wurmus <rekado@elephly.net>
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* tests/email.scm ("decode MIME encoded phrases that contain multiple
MIME encoded words each with their own encoding"): New test.
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* tests/email.scm ("decode MIME encoded word: wikipedia example",
"decode MIME encoded phrases that mix ASCII text and MIME encoded
words"): New tests.
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* tests/email.scm ("parse name-addr email address", "parse addr-spec
email address", "parse emacs message mode parens style email
address"): New tests.
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* tests/email.scm: New file.
* Makefile.am (SCM_TESTS): Register it.
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* tests/quoted-printable.scm (q-encoding random bytevector:
q-encoding-encode and q-encoding-decode are inverses of each other):
New test.
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* email/quoted-printable.scm (%q-encoding-literal-char-set,
%quoted-printable-literal-char-set): New variables.
(quoted-printable-encode): Move core encoding code to ...
(quoted-printable-style-encode): ... this new function.
(q-encoding-decode): Call quoted-printable-style-encode with the
appropriate literal-char-set instead of calling
quoted-printable-encode.
* tests/quoted-printable.scm (q-encoding of special characters): Add
to check for this bug.
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* tests/quoted-printable.scm (quoted-printable-escape-encode-char):
New function.
("quoted-printable encoding of ="): Rename to ...
("quoted-printable encoding of special characters"): ... this. Extend
to test encoding of #\return and #\newline as well.
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* tests/quoted-printable.scm (random-bytevector,
each-line-has-a-maximum-of-76-characters?,
string-has-only-quoted-printable-valid-characters?): New functions.
(quoted-printable random bytevector: quoted-printable-encode and
quoted-printable-decode are inverses of each other, quoted-printable
random bytevector: encoded output should not be more than 76 columns
wide, quoted-printable random bytevector: encoded output must only
consist of printable ASCII characters): New tests.
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* email/quoted-printable.scm (quoted-printable-encode): Encode #\=
with its ASCII code.
* test/quoted-printable.scm (quoted-printable-encoding of =): Add test
to check for this bug.
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* email/quoted-printable.scm (q-encoding-encode): New function.
* tests/quoted-printable.scm (q-encoding wikipedia example): Rename to
...
(q-encoding wikipedia example: decoding): ... this.
(q-encoding wikipedia example: encoding): New test.
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* build-aux/test-driver.scm, email/base64.scm, email/email.scm,
email/quoted-printable.scm, email/utils.scm,
tests/quoted-printable.scm: Untabify and re-indent.
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* email/quoted-printable.scm (quoted-printable-encode): New function.
* tests/quoted-printable.scm (quoted-printable wikipedia example):
Rename to ...
(quoted-printable wikipedia example: decoding): ... this.
(quoted-printable wikipedia example: encoding, quoted-printable
wikipedia example: encoded output should not be more than 76 columns
wide): New tests.
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* tests/quoted-printable.scm ("wikipedia example"): Rename to ...
("quoted-printable wikipedia example"): ... this.
("q-encoding wikipedia example"): New test.
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* build-aux/test-driver.scm: New file.
* tests/quoted-printable.scm: New file.
* Makefile.am (TEST_EXTENSIONS, SCM_TESTS, TESTS, SCM_LOG_DRIVER): New
variables.
(EXTRA_DIST): Register new files for distribution.
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