diff --git a/swh/web/browse/utils.py b/swh/web/browse/utils.py
index c2c68d27..bfa49cd1 100644
--- a/swh/web/browse/utils.py
+++ b/swh/web/browse/utils.py
@@ -1,756 +1,759 @@
# Copyright (C) 2017-2020 The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU Affero General Public License version 3, or any later version
# See top-level LICENSE file for more information
import base64
import magic
import stat
import textwrap
from threading import Lock
from django.core.cache import cache
from django.utils.safestring import mark_safe
from django.utils.html import escape
import sentry_sdk
from swh.web.common import highlightjs, service
from swh.web.common.exc import http_status_code_message
from swh.web.common.utils import (
reverse,
format_utc_iso_date,
rst_to_html,
browsers_supported_image_mimes,
)
from swh.web.config import get_config
def get_directory_entries(sha1_git):
"""Function that retrieves the content of a directory
from the archive.
The directories entries are first sorted in lexicographical order.
Sub-directories and regular files are then extracted.
Args:
sha1_git: sha1_git identifier of the directory
Returns:
A tuple whose first member corresponds to the sub-directories list
and second member the regular files list
Raises:
NotFoundExc if the directory is not found
"""
cache_entry_id = "directory_entries_%s" % sha1_git
cache_entry = cache.get(cache_entry_id)
if cache_entry:
return cache_entry
entries = list(service.lookup_directory(sha1_git))
for e in entries:
e["perms"] = stat.filemode(e["perms"])
if e["type"] == "rev":
# modify dir entry name to explicitly show it points
# to a revision
e["name"] = "%s @ %s" % (e["name"], e["target"][:7])
dirs = [e for e in entries if e["type"] in ("dir", "rev")]
files = [e for e in entries if e["type"] == "file"]
dirs = sorted(dirs, key=lambda d: d["name"])
files = sorted(files, key=lambda f: f["name"])
cache.set(cache_entry_id, (dirs, files))
return dirs, files
_lock = Lock()
def get_mimetype_and_encoding_for_content(content):
"""Function that returns the mime type and the encoding associated to
a content buffer using the magic module under the hood.
Args:
content (bytes): a content buffer
Returns:
A tuple (mimetype, encoding), for instance ('text/plain', 'us-ascii'),
associated to the provided content.
"""
# https://pypi.org/project/python-magic/
# packaged as python3-magic in debian buster
if hasattr(magic, "from_buffer"):
m = magic.Magic(mime=True, mime_encoding=True)
mime_encoding = m.from_buffer(content)
mime_type, encoding = mime_encoding.split(";")
encoding = encoding.replace(" charset=", "")
# https://pypi.org/project/file-magic/
# packaged as python3-magic in debian stretch
else:
# TODO: Remove that code when production environment is upgraded
# to debian buster
# calls to the file-magic API are not thread-safe so they must
# be protected with a Lock to guarantee they will succeed
_lock.acquire()
magic_result = magic.detect_from_content(content)
_lock.release()
mime_type = magic_result.mime_type
encoding = magic_result.encoding
return mime_type, encoding
# maximum authorized content size in bytes for HTML display
# with code highlighting
content_display_max_size = get_config()["content_display_max_size"]
def _re_encode_content(mimetype, encoding, content_data):
# encode textual content to utf-8 if needed
if mimetype.startswith("text/"):
# probably a malformed UTF-8 content, re-encode it
# by replacing invalid chars with a substitution one
if encoding == "unknown-8bit":
content_data = content_data.decode("utf-8", "replace").encode("utf-8")
elif encoding not in ["utf-8", "binary"]:
content_data = content_data.decode(encoding, "replace").encode("utf-8")
elif mimetype.startswith("application/octet-stream"):
# file may detect a text content as binary
# so try to decode it for display
encodings = ["us-ascii", "utf-8"]
encodings += ["iso-8859-%s" % i for i in range(1, 17)]
for enc in encodings:
try:
content_data = content_data.decode(enc).encode("utf-8")
except Exception as exc:
sentry_sdk.capture_exception(exc)
else:
# ensure display in content view
encoding = enc
mimetype = "text/plain"
break
return mimetype, encoding, content_data
def request_content(
query_string,
max_size=content_display_max_size,
raise_if_unavailable=True,
re_encode=True,
):
"""Function that retrieves a content from the archive.
Raw bytes content is first retrieved, then the content mime type.
If the mime type is not stored in the archive, it will be computed
using Python magic module.
Args:
query_string: a string of the form "[ALGO_HASH:]HASH" where
optional ALGO_HASH can be either ``sha1``, ``sha1_git``,
``sha256``, or ``blake2s256`` (default to ``sha1``) and HASH
the hexadecimal representation of the hash value
max_size: the maximum size for a content to retrieve (default to 1MB,
no size limit if None)
Returns:
A tuple whose first member corresponds to the content raw bytes
and second member the content mime type
Raises:
NotFoundExc if the content is not found
"""
content_data = service.lookup_content(query_string)
filetype = None
language = None
license = None
# requests to the indexer db may fail so properly handle
# those cases in order to avoid content display errors
try:
filetype = service.lookup_content_filetype(query_string)
language = service.lookup_content_language(query_string)
license = service.lookup_content_license(query_string)
except Exception as exc:
sentry_sdk.capture_exception(exc)
mimetype = "unknown"
encoding = "unknown"
if filetype:
mimetype = filetype["mimetype"]
encoding = filetype["encoding"]
# workaround when encountering corrupted data due to implicit
# conversion from bytea to text in the indexer db (see T818)
# TODO: Remove that code when all data have been correctly converted
if mimetype.startswith("\\"):
filetype = None
content_data["error_code"] = 200
content_data["error_message"] = ""
content_data["error_description"] = ""
if not max_size or content_data["length"] < max_size:
try:
content_raw = service.lookup_content_raw(query_string)
except Exception as exc:
if raise_if_unavailable:
raise exc
else:
sentry_sdk.capture_exception(exc)
content_data["raw_data"] = None
content_data["error_code"] = 404
content_data["error_description"] = (
"The bytes of the content are currently not available "
"in the archive."
)
content_data["error_message"] = http_status_code_message[
content_data["error_code"]
]
else:
content_data["raw_data"] = content_raw["data"]
if not filetype:
mimetype, encoding = get_mimetype_and_encoding_for_content(
content_data["raw_data"]
)
if re_encode:
mimetype, encoding, raw_data = _re_encode_content(
mimetype, encoding, content_data["raw_data"]
)
content_data["raw_data"] = raw_data
else:
content_data["raw_data"] = None
content_data["mimetype"] = mimetype
content_data["encoding"] = encoding
if language:
content_data["language"] = language["lang"]
else:
content_data["language"] = "not detected"
if license:
content_data["licenses"] = ", ".join(license["facts"][0]["licenses"])
else:
content_data["licenses"] = "not detected"
return content_data
def prepare_content_for_display(content_data, mime_type, path):
"""Function that prepares a content for HTML display.
The function tries to associate a programming language to a
content in order to perform syntax highlighting client-side
using highlightjs. The language is determined using either
the content filename or its mime type.
If the mime type corresponds to an image format supported
by web browsers, the content will be encoded in base64
for displaying the image.
Args:
content_data (bytes): raw bytes of the content
mime_type (string): mime type of the content
path (string): path of the content including filename
Returns:
A dict containing the content bytes (possibly different from the one
provided as parameter if it is an image) under the key 'content_data
and the corresponding highlightjs language class under the
key 'language'.
"""
language = highlightjs.get_hljs_language_from_filename(path)
if not language:
language = highlightjs.get_hljs_language_from_mime_type(mime_type)
if not language:
language = "nohighlight"
elif mime_type.startswith("application/"):
mime_type = mime_type.replace("application/", "text/")
if mime_type.startswith("image/"):
if mime_type in browsers_supported_image_mimes:
content_data = base64.b64encode(content_data).decode("ascii")
if mime_type.startswith("image/svg"):
mime_type = "image/svg+xml"
if mime_type.startswith("text/"):
content_data = content_data.decode("utf-8", errors="replace")
return {"content_data": content_data, "language": language, "mimetype": mime_type}
def gen_link(url, link_text=None, link_attrs=None):
"""
Utility function for generating an HTML link to insert
in Django templates.
Args:
url (str): an url
link_text (str): optional text for the produced link,
if not provided the url will be used
link_attrs (dict): optional attributes (e.g. class)
to add to the link
Returns:
An HTML link in the form 'link_text'
"""
attrs = " "
if link_attrs:
for k, v in link_attrs.items():
attrs += '%s="%s" ' % (k, v)
if not link_text:
link_text = url
link = '%s' % (attrs, escape(url), escape(link_text))
return mark_safe(link)
def _snapshot_context_query_params(snapshot_context):
query_params = {}
if not snapshot_context:
return query_params
if snapshot_context and snapshot_context["origin_info"]:
origin_info = snapshot_context["origin_info"]
snp_query_params = snapshot_context["query_params"]
query_params = {"origin_url": origin_info["url"]}
if "timestamp" in snp_query_params:
query_params["timestamp"] = snp_query_params["timestamp"]
if "visit_id" in snp_query_params:
query_params["visit_id"] = snp_query_params["visit_id"]
if "snapshot" in snp_query_params and "visit_id" not in query_params:
query_params["snapshot"] = snp_query_params["snapshot"]
elif snapshot_context:
query_params = {"snapshot": snapshot_context["snapshot_id"]}
if snapshot_context["release"]:
query_params["release"] = snapshot_context["release"]
- elif snapshot_context["branch"] and snapshot_context["branch"] != "HEAD":
+ elif snapshot_context["branch"] and snapshot_context["branch"] not in (
+ "HEAD",
+ snapshot_context["revision_id"],
+ ):
query_params["branch"] = snapshot_context["branch"]
elif snapshot_context["revision_id"]:
query_params["revision"] = snapshot_context["revision_id"]
return query_params
def gen_revision_url(revision_id, snapshot_context=None):
"""
Utility function for generating an url to a revision.
Args:
revision_id (str): a revision id
snapshot_context (dict): if provided, generate snapshot-dependent
browsing url
Returns:
str: The url to browse the revision
"""
query_params = _snapshot_context_query_params(snapshot_context)
query_params.pop("revision", None)
return reverse(
"browse-revision", url_args={"sha1_git": revision_id}, query_params=query_params
)
def gen_revision_link(
revision_id,
shorten_id=False,
snapshot_context=None,
link_text="Browse",
link_attrs={"class": "btn btn-default btn-sm", "role": "button"},
):
"""
Utility function for generating a link to a revision HTML view
to insert in Django templates.
Args:
revision_id (str): a revision id
shorten_id (boolean): whether to shorten the revision id to 7
characters for the link text
snapshot_context (dict): if provided, generate snapshot-dependent
browsing link
link_text (str): optional text for the generated link
(the revision id will be used by default)
link_attrs (dict): optional attributes (e.g. class)
to add to the link
Returns:
str: An HTML link in the form 'revision_id'
"""
if not revision_id:
return None
revision_url = gen_revision_url(revision_id, snapshot_context)
if shorten_id:
return gen_link(revision_url, revision_id[:7], link_attrs)
else:
if not link_text:
link_text = revision_id
return gen_link(revision_url, link_text, link_attrs)
def gen_directory_link(
sha1_git,
snapshot_context=None,
link_text="Browse",
link_attrs={"class": "btn btn-default btn-sm", "role": "button"},
):
"""
Utility function for generating a link to a directory HTML view
to insert in Django templates.
Args:
sha1_git (str): directory identifier
link_text (str): optional text for the generated link
(the directory id will be used by default)
link_attrs (dict): optional attributes (e.g. class)
to add to the link
Returns:
An HTML link in the form 'link_text'
"""
if not sha1_git:
return None
query_params = _snapshot_context_query_params(snapshot_context)
directory_url = reverse(
"browse-directory", url_args={"sha1_git": sha1_git}, query_params=query_params
)
if not link_text:
link_text = sha1_git
return gen_link(directory_url, link_text, link_attrs)
def gen_snapshot_link(
snapshot_id,
snapshot_context=None,
link_text="Browse",
link_attrs={"class": "btn btn-default btn-sm", "role": "button"},
):
"""
Utility function for generating a link to a snapshot HTML view
to insert in Django templates.
Args:
snapshot_id (str): snapshot identifier
link_text (str): optional text for the generated link
(the snapshot id will be used by default)
link_attrs (dict): optional attributes (e.g. class)
to add to the link
Returns:
An HTML link in the form 'link_text'
"""
query_params = _snapshot_context_query_params(snapshot_context)
snapshot_url = reverse(
"browse-snapshot",
url_args={"snapshot_id": snapshot_id},
query_params=query_params,
)
if not link_text:
link_text = snapshot_id
return gen_link(snapshot_url, link_text, link_attrs)
def gen_content_link(
sha1_git,
snapshot_context=None,
link_text="Browse",
link_attrs={"class": "btn btn-default btn-sm", "role": "button"},
):
"""
Utility function for generating a link to a content HTML view
to insert in Django templates.
Args:
sha1_git (str): content identifier
link_text (str): optional text for the generated link
(the content sha1_git will be used by default)
link_attrs (dict): optional attributes (e.g. class)
to add to the link
Returns:
An HTML link in the form 'link_text'
"""
if not sha1_git:
return None
query_params = _snapshot_context_query_params(snapshot_context)
content_url = reverse(
"browse-content",
url_args={"query_string": "sha1_git:" + sha1_git},
query_params=query_params,
)
if not link_text:
link_text = sha1_git
return gen_link(content_url, link_text, link_attrs)
def get_revision_log_url(revision_id, snapshot_context=None):
"""
Utility function for getting the URL for a revision log HTML view
(possibly in the context of an origin).
Args:
revision_id (str): revision identifier the history heads to
snapshot_context (dict): if provided, generate snapshot-dependent
browsing link
Returns:
The revision log view URL
"""
query_params = {}
if snapshot_context:
query_params = _snapshot_context_query_params(snapshot_context)
query_params["revision"] = revision_id
if snapshot_context and snapshot_context["origin_info"]:
revision_log_url = reverse("browse-origin-log", query_params=query_params)
elif snapshot_context:
url_args = {"snapshot_id": snapshot_context["snapshot_id"]}
del query_params["snapshot"]
revision_log_url = reverse(
"browse-snapshot-log", url_args=url_args, query_params=query_params
)
else:
revision_log_url = reverse(
"browse-revision-log", url_args={"sha1_git": revision_id}
)
return revision_log_url
def gen_revision_log_link(
revision_id,
snapshot_context=None,
link_text="Browse",
link_attrs={"class": "btn btn-default btn-sm", "role": "button"},
):
"""
Utility function for generating a link to a revision log HTML view
(possibly in the context of an origin) to insert in Django templates.
Args:
revision_id (str): revision identifier the history heads to
snapshot_context (dict): if provided, generate snapshot-dependent
browsing link
link_text (str): optional text to use for the generated link
(the revision id will be used by default)
link_attrs (dict): optional attributes (e.g. class)
to add to the link
Returns:
An HTML link in the form
'link_text'
"""
if not revision_id:
return None
revision_log_url = get_revision_log_url(revision_id, snapshot_context)
if not link_text:
link_text = revision_id
return gen_link(revision_log_url, link_text, link_attrs)
def gen_person_mail_link(person, link_text=None):
"""
Utility function for generating a mail link to a person to insert
in Django templates.
Args:
person (dict): dictionary containing person data
(*name*, *email*, *fullname*)
link_text (str): optional text to use for the generated mail link
(the person name will be used by default)
Returns:
str: A mail link to the person or the person name if no email is
present in person data
"""
person_name = person["name"] or person["fullname"] or "None"
if link_text is None:
link_text = person_name
person_email = person["email"] if person["email"] else None
if person_email is None and "@" in person_name and " " not in person_name:
person_email = person_name
if person_email:
return gen_link(url="mailto:%s" % person_email, link_text=link_text)
else:
return person_name
def gen_release_link(
sha1_git,
snapshot_context=None,
link_text="Browse",
link_attrs={"class": "btn btn-default btn-sm", "role": "button"},
):
"""
Utility function for generating a link to a release HTML view
to insert in Django templates.
Args:
sha1_git (str): release identifier
link_text (str): optional text for the generated link
(the release id will be used by default)
link_attrs (dict): optional attributes (e.g. class)
to add to the link
Returns:
An HTML link in the form 'link_text'
"""
query_params = _snapshot_context_query_params(snapshot_context)
release_url = reverse(
"browse-release", url_args={"sha1_git": sha1_git}, query_params=query_params
)
if not link_text:
link_text = sha1_git
return gen_link(release_url, link_text, link_attrs)
def format_log_entries(revision_log, per_page, snapshot_context=None):
"""
Utility functions that process raw revision log data for HTML display.
Its purpose is to:
* add links to relevant browse views
* format date in human readable format
* truncate the message log
Args:
revision_log (list): raw revision log as returned by the swh-web api
per_page (int): number of log entries per page
snapshot_context (dict): if provided, generate snapshot-dependent
browsing link
"""
revision_log_data = []
for i, rev in enumerate(revision_log):
if i == per_page:
break
author_name = "None"
author_fullname = "None"
committer_fullname = "None"
if rev["author"]:
author_name = gen_person_mail_link(rev["author"])
author_fullname = rev["author"]["fullname"]
if rev["committer"]:
committer_fullname = rev["committer"]["fullname"]
author_date = format_utc_iso_date(rev["date"])
committer_date = format_utc_iso_date(rev["committer_date"])
tooltip = "revision %s\n" % rev["id"]
tooltip += "author: %s\n" % author_fullname
tooltip += "author date: %s\n" % author_date
tooltip += "committer: %s\n" % committer_fullname
tooltip += "committer date: %s\n\n" % committer_date
if rev["message"]:
tooltip += textwrap.indent(rev["message"], " " * 4)
revision_log_data.append(
{
"author": author_name,
"id": rev["id"][:7],
"message": rev["message"],
"date": author_date,
"commit_date": committer_date,
"url": gen_revision_url(rev["id"], snapshot_context),
"tooltip": tooltip,
}
)
return revision_log_data
# list of common readme names ordered by preference
# (lower indices have higher priority)
_common_readme_names = [
"readme.markdown",
"readme.md",
"readme.rst",
"readme.txt",
"readme",
]
def get_readme_to_display(readmes):
"""
Process a list of readme files found in a directory
in order to find the adequate one to display.
Args:
readmes: a list of dict where keys are readme file names and values
are readme sha1s
Returns:
A tuple (readme_name, readme_sha1)
"""
readme_name = None
readme_url = None
readme_sha1 = None
readme_html = None
lc_readmes = {k.lower(): {"orig_name": k, "sha1": v} for k, v in readmes.items()}
# look for readme names according to the preference order
# defined by the _common_readme_names list
for common_readme_name in _common_readme_names:
if common_readme_name in lc_readmes:
readme_name = lc_readmes[common_readme_name]["orig_name"]
readme_sha1 = lc_readmes[common_readme_name]["sha1"]
readme_url = reverse(
"browse-content-raw",
url_args={"query_string": readme_sha1},
query_params={"re_encode": "true"},
)
break
# otherwise pick the first readme like file if any
if not readme_name and len(readmes.items()) > 0:
readme_name = next(iter(readmes))
readme_sha1 = readmes[readme_name]
readme_url = reverse(
"browse-content-raw",
url_args={"query_string": readme_sha1},
query_params={"re_encode": "true"},
)
# convert rst README to html server side as there is
# no viable solution to perform that task client side
if readme_name and readme_name.endswith(".rst"):
cache_entry_id = "readme_%s" % readme_sha1
cache_entry = cache.get(cache_entry_id)
if cache_entry:
readme_html = cache_entry
else:
try:
rst_doc = request_content(readme_sha1)
readme_html = rst_to_html(rst_doc["raw_data"])
cache.set(cache_entry_id, readme_html)
except Exception as exc:
sentry_sdk.capture_exception(exc)
readme_html = "Readme bytes are not available"
return readme_name, readme_url, readme_html
diff --git a/swh/web/browse/views/revision.py b/swh/web/browse/views/revision.py
index db475a36..6177f52a 100644
--- a/swh/web/browse/views/revision.py
+++ b/swh/web/browse/views/revision.py
@@ -1,604 +1,604 @@
# Copyright (C) 2017-2020 The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU Affero General Public License version 3, or any later version
# See top-level LICENSE file for more information
import hashlib
import json
import textwrap
from django.http import HttpResponse
from django.shortcuts import render
from django.template.defaultfilters import filesizeformat
from django.utils.safestring import mark_safe
from swh.model.identifiers import (
persistent_identifier,
CONTENT,
DIRECTORY,
REVISION,
SNAPSHOT,
)
from swh.web.browse.browseurls import browse_route
from swh.web.browse.snapshot_context import get_snapshot_context
from swh.web.browse.utils import (
gen_link,
gen_revision_link,
gen_revision_url,
get_revision_log_url,
get_directory_entries,
gen_directory_link,
request_content,
prepare_content_for_display,
content_display_max_size,
gen_snapshot_link,
get_readme_to_display,
format_log_entries,
gen_person_mail_link,
)
from swh.web.common import service
from swh.web.common.exc import NotFoundExc, handle_view_exception
from swh.web.common.identifiers import get_swhids_info
from swh.web.common.typing import RevisionMetadata, SWHObjectInfo
from swh.web.common.utils import (
reverse,
format_utc_iso_date,
gen_path_info,
swh_object_icons,
)
def _gen_content_url(revision, query_string, path, snapshot_context):
if snapshot_context:
query_params = snapshot_context["query_params"]
query_params["path"] = path
query_params["revision"] = revision["id"]
content_url = reverse("browse-origin-content", query_params=query_params)
else:
content_path = "%s/%s" % (revision["directory"], path)
content_url = reverse(
"browse-content",
url_args={"query_string": query_string},
query_params={"path": content_path},
)
return content_url
def _gen_diff_link(idx, diff_anchor, link_text):
if idx < _max_displayed_file_diffs:
return gen_link(diff_anchor, link_text)
else:
return link_text
# TODO: put in conf
_max_displayed_file_diffs = 1000
def _gen_revision_changes_list(revision, changes, snapshot_context):
"""
Returns a HTML string describing the file changes
introduced in a revision.
As this string will be displayed in the browse revision view,
links to adequate file diffs are also generated.
Args:
revision (str): hexadecimal representation of a revision identifier
changes (list): list of file changes in the revision
snapshot_context (dict): optional origin context used to reverse
the content urls
Returns:
A string to insert in a revision HTML view.
"""
changes_msg = []
for i, change in enumerate(changes):
hasher = hashlib.sha1()
from_query_string = ""
to_query_string = ""
diff_id = "diff-"
if change["from"]:
from_query_string = "sha1_git:" + change["from"]["target"]
diff_id += change["from"]["target"] + "-" + change["from_path"]
diff_id += "-"
if change["to"]:
to_query_string = "sha1_git:" + change["to"]["target"]
diff_id += change["to"]["target"] + change["to_path"]
change["path"] = change["to_path"] or change["from_path"]
url_args = {
"from_query_string": from_query_string,
"to_query_string": to_query_string,
}
query_params = {"path": change["path"]}
change["diff_url"] = reverse(
"diff-contents", url_args=url_args, query_params=query_params
)
hasher.update(diff_id.encode("utf-8"))
diff_id = hasher.hexdigest()
change["id"] = diff_id
panel_diff_link = "#panel_" + diff_id
if change["type"] == "modify":
change["content_url"] = _gen_content_url(
revision, to_query_string, change["to_path"], snapshot_context
)
changes_msg.append(
"modified: %s" % _gen_diff_link(i, panel_diff_link, change["to_path"])
)
elif change["type"] == "insert":
change["content_url"] = _gen_content_url(
revision, to_query_string, change["to_path"], snapshot_context
)
changes_msg.append(
"new file: %s" % _gen_diff_link(i, panel_diff_link, change["to_path"])
)
elif change["type"] == "delete":
parent = service.lookup_revision(revision["parents"][0])
change["content_url"] = _gen_content_url(
parent, from_query_string, change["from_path"], snapshot_context
)
changes_msg.append(
"deleted: %s"
% _gen_diff_link(i, panel_diff_link, change["from_path"])
)
elif change["type"] == "rename":
change["content_url"] = _gen_content_url(
revision, to_query_string, change["to_path"], snapshot_context
)
link_text = change["from_path"] + " → " + change["to_path"]
changes_msg.append(
"renamed: %s" % _gen_diff_link(i, panel_diff_link, link_text)
)
if not changes:
changes_msg.append("No changes")
return mark_safe("\n".join(changes_msg))
@browse_route(
r"revision/(?P[0-9a-f]+)/diff/",
view_name="diff-revision",
checksum_args=["sha1_git"],
)
def _revision_diff(request, sha1_git):
"""
Browse internal endpoint to compute revision diff
"""
try:
revision = service.lookup_revision(sha1_git)
snapshot_context = None
origin_url = request.GET.get("origin_url", None)
if not origin_url:
origin_url = request.GET.get("origin", None)
timestamp = request.GET.get("timestamp", None)
visit_id = request.GET.get("visit_id", None)
if origin_url:
snapshot_context = get_snapshot_context(
origin_url=origin_url, timestamp=timestamp, visit_id=visit_id
)
except Exception as exc:
return handle_view_exception(request, exc)
changes = service.diff_revision(sha1_git)
changes_msg = _gen_revision_changes_list(revision, changes, snapshot_context)
diff_data = {
"total_nb_changes": len(changes),
"changes": changes[:_max_displayed_file_diffs],
"changes_msg": changes_msg,
}
diff_data_json = json.dumps(diff_data, separators=(",", ": "))
return HttpResponse(diff_data_json, content_type="application/json")
NB_LOG_ENTRIES = 100
@browse_route(
r"revision/(?P[0-9a-f]+)/log/",
view_name="browse-revision-log",
checksum_args=["sha1_git"],
)
def revision_log_browse(request, sha1_git):
"""
Django view that produces an HTML display of the history
log for a revision identified by its id.
The url that points to it is :http:get:`/browse/revision/(sha1_git)/log/`
"""
try:
origin_url = request.GET.get("origin_url")
snapshot_id = request.GET.get("snapshot")
snapshot_context = None
if origin_url or snapshot_id:
snapshot_context = get_snapshot_context(
snapshot_id=snapshot_id,
origin_url=origin_url,
timestamp=request.GET.get("timestamp"),
visit_id=request.GET.get("visit_id"),
branch_name=request.GET.get("branch"),
release_name=request.GET.get("release"),
revision_id=sha1_git,
)
per_page = int(request.GET.get("per_page", NB_LOG_ENTRIES))
offset = int(request.GET.get("offset", 0))
revs_ordering = request.GET.get("revs_ordering", "committer_date")
session_key = "rev_%s_log_ordering_%s" % (sha1_git, revs_ordering)
rev_log_session = request.session.get(session_key, None)
rev_log = []
revs_walker_state = None
if rev_log_session:
rev_log = rev_log_session["rev_log"]
revs_walker_state = rev_log_session["revs_walker_state"]
if len(rev_log) < offset + per_page:
revs_walker = service.get_revisions_walker(
revs_ordering,
sha1_git,
max_revs=offset + per_page + 1,
state=revs_walker_state,
)
rev_log += [rev["id"] for rev in revs_walker]
revs_walker_state = revs_walker.export_state()
revs = rev_log[offset : offset + per_page]
revision_log = service.lookup_revision_multiple(revs)
request.session[session_key] = {
"rev_log": rev_log,
"revs_walker_state": revs_walker_state,
}
except Exception as exc:
return handle_view_exception(request, exc)
revs_ordering = request.GET.get("revs_ordering", "")
prev_log_url = None
if len(rev_log) > offset + per_page:
prev_log_url = reverse(
"browse-revision-log",
url_args={"sha1_git": sha1_git},
query_params={
"per_page": per_page,
"offset": offset + per_page,
"revs_ordering": revs_ordering,
},
)
next_log_url = None
if offset != 0:
next_log_url = reverse(
"browse-revision-log",
url_args={"sha1_git": sha1_git},
query_params={
"per_page": per_page,
"offset": offset - per_page,
"revs_ordering": revs_ordering,
},
)
revision_log_data = format_log_entries(revision_log, per_page)
swh_rev_id = persistent_identifier("revision", sha1_git)
return render(
request,
"browse/revision-log.html",
{
"heading": "Revision history",
"swh_object_id": swh_rev_id,
"swh_object_name": "Revisions history",
"swh_object_metadata": None,
"revision_log": revision_log_data,
"revs_ordering": revs_ordering,
"next_log_url": next_log_url,
"prev_log_url": prev_log_url,
"breadcrumbs": None,
"top_right_link": None,
"snapshot_context": snapshot_context,
"vault_cooking": None,
"show_actions_menu": True,
"swhids_info": None,
},
)
@browse_route(
r"revision/(?P[0-9a-f]+)/",
view_name="browse-revision",
checksum_args=["sha1_git"],
)
def revision_browse(request, sha1_git):
"""
Django view that produces an HTML display of a revision
identified by its id.
The url that points to it is :http:get:`/browse/revision/(sha1_git)/`.
"""
try:
revision = service.lookup_revision(sha1_git)
origin_info = None
snapshot_context = None
origin_url = request.GET.get("origin_url")
if not origin_url:
origin_url = request.GET.get("origin")
timestamp = request.GET.get("timestamp")
visit_id = request.GET.get("visit_id")
snapshot_id = request.GET.get("snapshot_id")
if not snapshot_id:
snapshot_id = request.GET.get("snapshot")
path = request.GET.get("path")
dir_id = None
dirs, files = None, None
content_data = {}
if origin_url:
try:
snapshot_context = get_snapshot_context(
snapshot_id=snapshot_id,
origin_url=origin_url,
timestamp=timestamp,
visit_id=visit_id,
branch_name=request.GET.get("branch"),
release_name=request.GET.get("release"),
- revision_id=request.GET.get("revision"),
+ revision_id=sha1_git,
)
except NotFoundExc as e:
raw_rev_url = reverse(
"browse-revision", url_args={"sha1_git": sha1_git}
)
error_message = (
"The Software Heritage archive has a revision "
"with the hash you provided but the origin "
"mentioned in your request appears broken: %s. "
"Please check the URL and try again.\n\n"
"Nevertheless, you can still browse the revision "
"without origin information: %s"
% (gen_link(origin_url), gen_link(raw_rev_url))
)
if str(e).startswith("Origin"):
raise NotFoundExc(error_message)
else:
raise e
origin_info = snapshot_context["origin_info"]
snapshot_id = snapshot_context["snapshot_id"]
elif snapshot_id:
snapshot_context = get_snapshot_context(snapshot_id)
if path:
file_info = service.lookup_directory_with_path(revision["directory"], path)
if file_info["type"] == "dir":
dir_id = file_info["target"]
else:
query_string = "sha1_git:" + file_info["target"]
content_data = request_content(query_string, raise_if_unavailable=False)
else:
dir_id = revision["directory"]
if dir_id:
path = "" if path is None else (path + "/")
dirs, files = get_directory_entries(dir_id)
except Exception as exc:
return handle_view_exception(request, exc)
revision_metadata = RevisionMetadata(
object_type=REVISION,
object_id=sha1_git,
revision=sha1_git,
revision_url=gen_revision_link(sha1_git),
author=revision["author"]["fullname"] if revision["author"] else "None",
author_url=gen_person_mail_link(revision["author"])
if revision["author"]
else "None",
committer=revision["committer"]["fullname"]
if revision["committer"]
else "None",
committer_url=gen_person_mail_link(revision["committer"])
if revision["committer"]
else "None",
committer_date=format_utc_iso_date(revision["committer_date"]),
date=format_utc_iso_date(revision["date"]),
directory=revision["directory"],
directory_url=gen_directory_link(revision["directory"]),
merge=revision["merge"],
metadata=json.dumps(
revision["metadata"], sort_keys=True, indent=4, separators=(",", ": ")
),
parents=revision["parents"],
synthetic=revision["synthetic"],
type=revision["type"],
snapshot=snapshot_id,
snapshot_url=gen_snapshot_link(snapshot_id) if snapshot_id else None,
origin_url=origin_url,
)
message_lines = ["None"]
if revision["message"]:
message_lines = revision["message"].split("\n")
parents = []
for p in revision["parents"]:
parent_url = gen_revision_url(p, snapshot_context)
parents.append({"id": p, "url": parent_url})
path_info = gen_path_info(path)
query_params = snapshot_context["query_params"] if snapshot_context else {}
breadcrumbs = []
breadcrumbs.append(
{
"name": revision["directory"][:7],
"url": reverse(
"browse-revision",
url_args={"sha1_git": sha1_git},
query_params=query_params,
),
}
)
for pi in path_info:
query_params["path"] = pi["path"]
breadcrumbs.append(
{
"name": pi["name"],
"url": reverse(
"browse-revision",
url_args={"sha1_git": sha1_git},
query_params=query_params,
),
}
)
vault_cooking = {
"directory_context": False,
"directory_id": None,
"revision_context": True,
"revision_id": sha1_git,
}
swh_objects = [SWHObjectInfo(object_type=REVISION, object_id=sha1_git)]
content = None
content_size = None
filename = None
mimetype = None
language = None
readme_name = None
readme_url = None
readme_html = None
readmes = {}
error_code = 200
error_message = ""
error_description = ""
extra_context = dict(revision_metadata)
extra_context["path"] = f"/{path}" if path else "/"
if content_data:
breadcrumbs[-1]["url"] = None
content_size = content_data["length"]
mimetype = content_data["mimetype"]
if content_data["raw_data"]:
content_display_data = prepare_content_for_display(
content_data["raw_data"], content_data["mimetype"], path
)
content = content_display_data["content_data"]
language = content_display_data["language"]
mimetype = content_display_data["mimetype"]
if path:
filename = path_info[-1]["name"]
extra_context["filename"] = filename
top_right_link = {
"url": reverse(
"browse-content-raw",
url_args={"query_string": query_string},
query_params={"filename": filename},
),
"icon": swh_object_icons["content"],
"text": "Raw File",
}
swh_objects.append(
SWHObjectInfo(object_type=CONTENT, object_id=file_info["target"])
)
error_code = content_data["error_code"]
error_message = content_data["error_message"]
error_description = content_data["error_description"]
else:
for d in dirs:
if d["type"] == "rev":
d["url"] = reverse(
"browse-revision", url_args={"sha1_git": d["target"]}
)
else:
query_params["path"] = path + d["name"]
d["url"] = reverse(
"browse-revision",
url_args={"sha1_git": sha1_git},
query_params=query_params,
)
for f in files:
query_params["path"] = path + f["name"]
f["url"] = reverse(
"browse-revision",
url_args={"sha1_git": sha1_git},
query_params=query_params,
)
if f["length"] is not None:
f["length"] = filesizeformat(f["length"])
if f["name"].lower().startswith("readme"):
readmes[f["name"]] = f["checksums"]["sha1"]
readme_name, readme_url, readme_html = get_readme_to_display(readmes)
top_right_link = {
"url": get_revision_log_url(sha1_git, snapshot_context),
"icon": swh_object_icons["revisions history"],
"text": "History",
}
vault_cooking["directory_context"] = True
vault_cooking["directory_id"] = dir_id
swh_objects.append(SWHObjectInfo(object_type=DIRECTORY, object_id=dir_id))
query_params.pop("path", None)
diff_revision_url = reverse(
"diff-revision", url_args={"sha1_git": sha1_git}, query_params=query_params,
)
if snapshot_id:
swh_objects.append(SWHObjectInfo(object_type=SNAPSHOT, object_id=snapshot_id))
swhids_info = get_swhids_info(swh_objects, snapshot_context, extra_context)
heading = "Revision - %s - %s" % (
sha1_git[:7],
textwrap.shorten(message_lines[0], width=70),
)
if snapshot_context:
context_found = "snapshot: %s" % snapshot_context["snapshot_id"]
if origin_info:
context_found = "origin: %s" % origin_info["url"]
heading += " - %s" % context_found
return render(
request,
"browse/revision.html",
{
"heading": heading,
"swh_object_id": swhids_info[0]["swhid"],
"swh_object_name": "Revision",
"swh_object_metadata": revision_metadata,
"message_header": message_lines[0],
"message_body": "\n".join(message_lines[1:]),
"parents": parents,
"snapshot_context": snapshot_context,
"dirs": dirs,
"files": files,
"content": content,
"content_size": content_size,
"max_content_size": content_display_max_size,
"filename": filename,
"encoding": content_data.get("encoding"),
"mimetype": mimetype,
"language": language,
"readme_name": readme_name,
"readme_url": readme_url,
"readme_html": readme_html,
"breadcrumbs": breadcrumbs,
"top_right_link": top_right_link,
"vault_cooking": vault_cooking,
"diff_revision_url": diff_revision_url,
"show_actions_menu": True,
"swhids_info": swhids_info,
"error_code": error_code,
"error_message": error_message,
"error_description": error_description,
},
status=error_code,
)
diff --git a/swh/web/tests/browse/views/test_revision.py b/swh/web/tests/browse/views/test_revision.py
index e941c224..a5b97602 100644
--- a/swh/web/tests/browse/views/test_revision.py
+++ b/swh/web/tests/browse/views/test_revision.py
@@ -1,331 +1,335 @@
# Copyright (C) 2017-2020 The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU Affero General Public License version 3, or any later version
# See top-level LICENSE file for more information
+import random
import textwrap
from django.utils.html import escape
from hypothesis import given
from swh.model.identifiers import DIRECTORY, REVISION, SNAPSHOT
from swh.web.common.identifiers import get_swh_persistent_id
from swh.web.common.utils import reverse, format_utc_iso_date, parse_timestamp
from swh.web.tests.django_asserts import assert_contains, assert_template_used
from swh.web.tests.strategies import origin, revision, unknown_revision, new_origin
@given(revision())
def test_revision_browse(client, archive_data, revision):
_revision_browse_checks(client, archive_data, revision)
@given(origin())
def test_revision_origin_snapshot_browse(client, archive_data, origin):
snapshot = archive_data.snapshot_get_latest(origin["url"])
revision = archive_data.snapshot_get_head(snapshot)
_revision_browse_checks(client, archive_data, revision, origin_url=origin["url"])
_revision_browse_checks(client, archive_data, revision, snapshot=snapshot)
_revision_browse_checks(
client, archive_data, revision, origin_url=origin["url"], snapshot=snapshot,
)
+ revision = random.choice(archive_data.revision_log(revision))["id"]
+ _revision_browse_checks(client, archive_data, revision, origin_url=origin["url"])
+
@given(revision())
def test_revision_log_browse(client, archive_data, revision):
per_page = 10
revision_log = archive_data.revision_log(revision)
revision_log_sorted = sorted(
revision_log,
key=lambda rev: -parse_timestamp(rev["committer_date"]).timestamp(),
)
url = reverse(
"browse-revision-log",
url_args={"sha1_git": revision},
query_params={"per_page": per_page},
)
resp = client.get(url)
next_page_url = reverse(
"browse-revision-log",
url_args={"sha1_git": revision},
query_params={"offset": per_page, "per_page": per_page},
)
nb_log_entries = per_page
if len(revision_log_sorted) < per_page:
nb_log_entries = len(revision_log_sorted)
assert resp.status_code == 200
assert_template_used(resp, "browse/revision-log.html")
assert_contains(resp, 'Newer')
if len(revision_log_sorted) > per_page:
assert_contains(
resp, 'Older' % escape(next_page_url),
)
for log in revision_log_sorted[:per_page]:
revision_url = reverse("browse-revision", url_args={"sha1_git": log["id"]})
assert_contains(resp, log["id"][:7])
assert_contains(resp, log["author"]["name"])
assert_contains(resp, format_utc_iso_date(log["date"]))
assert_contains(resp, escape(log["message"]))
assert_contains(resp, format_utc_iso_date(log["committer_date"]))
assert_contains(resp, revision_url)
if len(revision_log_sorted) <= per_page:
return
resp = client.get(next_page_url)
prev_page_url = reverse(
"browse-revision-log",
url_args={"sha1_git": revision},
query_params={"per_page": per_page},
)
next_page_url = reverse(
"browse-revision-log",
url_args={"sha1_git": revision},
query_params={"offset": 2 * per_page, "per_page": per_page},
)
nb_log_entries = len(revision_log_sorted) - per_page
if nb_log_entries > per_page:
nb_log_entries = per_page
assert resp.status_code == 200
assert_template_used(resp, "browse/revision-log.html")
assert_contains(resp, '
Newer' % escape(prev_page_url)
)
if len(revision_log_sorted) > 2 * per_page:
assert_contains(
resp, 'Older' % escape(next_page_url),
)
if len(revision_log_sorted) <= 2 * per_page:
return
resp = client.get(next_page_url)
prev_page_url = reverse(
"browse-revision-log",
url_args={"sha1_git": revision},
query_params={"offset": per_page, "per_page": per_page},
)
next_page_url = reverse(
"browse-revision-log",
url_args={"sha1_git": revision},
query_params={"offset": 3 * per_page, "per_page": per_page},
)
nb_log_entries = len(revision_log_sorted) - 2 * per_page
if nb_log_entries > per_page:
nb_log_entries = per_page
assert resp.status_code == 200
assert_template_used(resp, "browse/revision-log.html")
assert_contains(resp, '
Newer' % escape(prev_page_url)
)
if len(revision_log_sorted) > 3 * per_page:
assert_contains(
resp, 'Older' % escape(next_page_url),
)
swh_rev_id = get_swh_persistent_id(REVISION, revision)
swh_rev_id_url = reverse("browse-swh-id", url_args={"swh_id": swh_rev_id})
assert_contains(
resp,
textwrap.indent(
(
f"Browse archived revisions history\n"
f'\n'
f" {swh_rev_id}\n"
f""
),
" " * 4,
),
)
@given(revision(), unknown_revision(), new_origin())
def test_revision_request_errors(client, revision, unknown_revision, new_origin):
url = reverse("browse-revision", url_args={"sha1_git": unknown_revision})
resp = client.get(url)
assert resp.status_code == 404
assert_template_used(resp, "error.html")
assert_contains(
resp, "Revision with sha1_git %s not found" % unknown_revision, status_code=404
)
url = reverse(
"browse-revision",
url_args={"sha1_git": revision},
query_params={"origin_url": new_origin.url},
)
resp = client.get(url)
assert resp.status_code == 404
assert_template_used(resp, "error.html")
assert_contains(
resp, "the origin mentioned in your request" " appears broken", status_code=404
)
@given(revision())
def test_revision_uppercase(client, revision):
url = reverse(
"browse-revision-uppercase-checksum", url_args={"sha1_git": revision.upper()}
)
resp = client.get(url)
assert resp.status_code == 302
redirect_url = reverse("browse-revision", url_args={"sha1_git": revision})
assert resp["location"] == redirect_url
def _revision_browse_checks(
client, archive_data, revision, origin_url=None, snapshot=None
):
query_params = {}
if origin_url:
query_params["origin_url"] = origin_url
if snapshot:
query_params["snapshot"] = snapshot["id"]
url = reverse(
"browse-revision", url_args={"sha1_git": revision}, query_params=query_params
)
revision_data = archive_data.revision_get(revision)
author_name = revision_data["author"]["name"]
committer_name = revision_data["committer"]["name"]
dir_id = revision_data["directory"]
if origin_url:
snapshot = archive_data.snapshot_get_latest(origin_url)
history_url = reverse(
"browse-origin-log", query_params={"revision": revision, **query_params},
)
elif snapshot:
history_url = reverse(
"browse-snapshot-log",
url_args={"snapshot_id": snapshot["id"]},
query_params={"revision": revision},
)
else:
history_url = reverse("browse-revision-log", url_args={"sha1_git": revision})
resp = client.get(url)
assert resp.status_code == 200
assert_template_used(resp, "browse/revision.html")
assert_contains(resp, author_name)
assert_contains(resp, committer_name)
assert_contains(resp, history_url)
for parent in revision_data["parents"]:
parent_url = reverse(
"browse-revision", url_args={"sha1_git": parent}, query_params=query_params
)
assert_contains(resp, '%s' % (escape(parent_url), parent[:7]))
author_date = revision_data["date"]
committer_date = revision_data["committer_date"]
message_lines = revision_data["message"].split("\n")
assert_contains(resp, format_utc_iso_date(author_date))
assert_contains(resp, format_utc_iso_date(committer_date))
assert_contains(resp, escape(message_lines[0]))
assert_contains(resp, escape("\n".join(message_lines[1:])))
assert_contains(resp, "vault-cook-directory")
assert_contains(resp, "vault-cook-revision")
swh_rev_id = get_swh_persistent_id("revision", revision)
swh_rev_id_url = reverse("browse-swh-id", url_args={"swh_id": swh_rev_id})
assert_contains(resp, swh_rev_id)
assert_contains(resp, swh_rev_id_url)
swh_dir_id = get_swh_persistent_id("directory", dir_id)
swh_dir_id_url = reverse("browse-swh-id", url_args={"swh_id": swh_dir_id})
assert_contains(resp, swh_dir_id)
assert_contains(resp, swh_dir_id_url)
if origin_url:
assert_contains(resp, "swh-take-new-snapshot")
swh_rev_id = get_swh_persistent_id(REVISION, revision)
swh_rev_id_url = reverse("browse-swh-id", url_args={"swh_id": swh_rev_id})
if origin_url:
browse_origin_url = reverse(
"browse-origin", query_params={"origin_url": origin_url}
)
title = (
f"Browse archived revision for origin\n"
f'\n'
f" {origin_url}\n"
f""
)
indent = " " * 6
elif snapshot:
swh_snp_id = get_swh_persistent_id("snapshot", snapshot["id"])
swh_snp_id_url = reverse("browse-swh-id", url_args={"swh_id": swh_snp_id})
title = (
f"Browse archived revision for snapshot\n"
f'\n'
f" {swh_snp_id}\n"
f""
)
indent = " " * 6
else:
title = (
f"Browse archived revision\n"
f'\n'
f" {swh_rev_id}\n"
f""
)
indent = " " * 4
assert_contains(
resp, textwrap.indent(title, indent),
)
swhid_context = {}
if origin_url:
swhid_context["origin"] = origin_url
if snapshot:
swhid_context["visit"] = get_swh_persistent_id(SNAPSHOT, snapshot["id"])
swh_rev_id = get_swh_persistent_id(REVISION, revision, metadata=swhid_context)
swh_rev_id_url = reverse("browse-swh-id", url_args={"swh_id": swh_rev_id})
assert_contains(resp, swh_rev_id)
assert_contains(resp, swh_rev_id_url)
swhid_context["anchor"] = get_swh_persistent_id(REVISION, revision)
swhid_context["path"] = "/"
swh_dir_id = get_swh_persistent_id(DIRECTORY, dir_id, metadata=swhid_context)
swh_dir_id_url = reverse("browse-swh-id", url_args={"swh_id": swh_dir_id})
assert_contains(resp, swh_dir_id)
assert_contains(resp, swh_dir_id_url)