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Metalink support.

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* bootstrap.conf: Add crypto/sha256
* configure.ac: Look for libmetalink and GPGME
* doc/wget.texi: Add --input-metalink and --metalink-over-http
options description.
* po/POTFILES.in: Add metalink.c
* src/Makefile.am: Add new translation unit (metalink.c)
* src/http.c (http_stat): Add metalink field.
(free_stat): Free metalink field.
(find_key_value): Find value of given key in header string.
(has_key): Check if token exists in header string.
(find_key_values): Find all key=value pairs in header string.
(metalink_from_http): Obtain Metalink metadata from HTTP response.
(gethttp): Call metalink_from_http if requested.
(http_loop): Request Metalink metadata from HTTP response if should be.
Fall back to regular download if no Metalink metadata found.
* src/init.c: Add --input-metalink and --metalink-over-http options
* src/main.c (option_data): Handle --input-metalink and
--metalink-over-http cmd arguments.
(print_help): Print --input-metalink option description.
(main): Retrieve files from Metalink file
* src/metalink.c (retrieve_from_metalink): Download files described by
metalink.
(metalink_res_cmp): Comparator for resources priority-sorting.
* src/metalink.h: Create header for metalink.c
(RES_TYPE_SUPPORTED): Define supported resources media.
(DEFAULT_PRI): Default mirror priority for Metalink over HTTP.
(VALID_PRI_RANGE): Valid priority range.
* src/options.h (options): Add input_metalink option and metalink_over_http
options.
* src/utils.c (hex_to_string): Convert binary data to ASCII-hex.
* src/utils.h (hex_to_string): Add prototype.
* src/wget.h: Add metalink-related error enums
Add METALINK_METADATA flag for document type.
This commit is contained in:
Hubert Tarasiuk
2015-05-30 23:51:55 +02:00
committed by Giuseppe Scrivano
parent 80303366ae
commit 37b58e3976
14 changed files with 1242 additions and 5 deletions
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12
doc/wget.texi
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@@ -507,6 +507,18 @@ treated as @samp{html} if the Content-Type matches @samp{text/html}.
Furthermore, the @var{file}'s location will be implicitly used as base
href if none was specified.
@cindex input-metalink
@item --input-metalink=@var{file}
Downloads files covered in local Metalink @var{file}. Metalink version 3
and 4 are supported.
@cindex metalink-over-http
@item --metalink-over-http
Issues HTTP HEAD request instead of GET and extracts Metalink metadata
from response headers. Then it switches to Metalink download.
If no valid Metalink metadata is found, it falls back to ordinary HTTP download.
@cindex force html
@item -F
@itemx --force-html