Also ensure authentication is not lost by Digest timeout when navigating
between index.html and search results page.
This way, running searches with extended features on a remote peer or a
password protected peer works with a regular user (with "Extended
search" rights).
When authenticating on the search page with a user without "Extended
search" rights, it appears as authenticated, but has just its usual
access to the public search features.
Otherwise, when authenticated as admin and navigating from search
results or admin pages to the search start page (/index.html), if
nothing is done on that page within HTTP Digest Auth timeout (about
2mn), then search is performed without authentication and so without
extended search features.
Thus eventually including the same optional login link/status in the
search start page than in the results page, for the same convenient
login without the need to use the Administration section.
Restores the behavior introduced eleven years ago (see commit
479861a3cf) and lost by mistake 3 years
ago (see commit 617dd9c97b), when the
click handler started referencing a missing HTML id.
Thus allowing a more convenient way (wihout the need to go to the admin
section) to login when searching on your remote or password protected
peer and benefit from extended search features such as Heuristics,
Bookmarking or JavasScript resorting.
Can be disabled using the ConfigSearchPage_p.html.
Resizing JPEG snapshot images through /api/snapshot.jpg failed when
running on OpenJDK, but rendered successfully with a Oracle JDK.
Details in mantis 772 ( http://mantis.tokeek.de/view.php?id=772 ).
Removing any alpha component (useless in snapshot images) from the
rendered resized image solves the issue.
Previously rendered as a broken URL containing the absolute file path of
a snapshot on the search server.
Now rendered as a valid URL linking to the /api/snapshot API to provide
available snapshot content. Snapshot format is selected among the
available ones in the following order of preference : JPG/PNG, PDF, and
XML.
The SearchEvent listen to changes on each of its navigators, and the
information about their overall state is sent with each fetched search
item (as a "data-nav-generation" attribute). Then the browser can
regularly fetch a fresh version of yacysearchtrailer.html only if
necessary (when that nav-generation value change).
When the limit is reached, a button allow expanding/collapsing remaining
tags.
When this feature is activated without a limit to the number of
displayed tags, when encountering search results with a very large
number of keywords, the results page can become almost unusable (very
long vertical scrollbar)
This is a fix for mantis 766 ( http://mantis.tokeek.de/view.php?id=766 )
Since the upgrade to Digest authentication, access to protected search
features was indeed disabled once the Digest nonce timed out.
After Digest auth timeout the browser no more sent authentication
information and as the search results page is not private, protected
features were simply be hidden without asking browser again for
authentication.
Adding a supplementary parameter when accessing the search results as
authenticated fixes this.
If swichted on link (click) to the tag adds the keyword to the search query.
If a keyword navigator is active the selected keyword adds or replaces
a query keyword: modifier (currently replace was choosen as multiple
keywords are not fully supported yet)
- added some missing increments from RWI results
- decrement relevant navigator counts when solr or RWI results are
evicted because duplicates detection or constraints checked belatedly
- do not compute facets when unnecessary to avoid unwanted CPU load
- do not increment from facets when already done
- do not rely on facets on remote solr peers requests, as most of the
time only a limited part of their total results if fetched (thus also
preventing unnecessary load on remote peers)
- use a concurrency friendly score map for the dates navigators to
prevent unwanted ConcurrentModificationExceptions
This improves the situation for the most obvious inconsistencies in
search navigators counts, but more has to be done for a true accuracy
(notably when query modifiers constraints are applied belatedly - after
the solr or RWI retrieval request - such as the content domain
constraint)
Was inadequately modified in my previous related commits (making next
pages buttons unavailable in Search portal mode), as
SearchEvent.local_solr_available did not count the total filtered
results but only the ones within the currently fetched result page(s).
Using unfiltered detailed counts (local and remote entries found before
doubles detection and before applying query modifiers) was confusing and
inconsistent with the total count. It could let think more results are
to come in the next pages, without understanding why they are not
displayed.
As a server-side oriented alternative to the JavaScript realtime
resorting feature proposed in PR #104.
The goal is the same as in this PR : having the possibility compensate
the network latency of various peers results fetching and obtain once
possible a consistently ranked result set.
Previously, when checking for the first time the robots.txt policy on a
unknown host (not cached in the robots table), result was always empty
in the /getpageinfo_p.xml api and in the /CrawlCheck_p.html page. Next
calls returned however the correct information.
Complements the recent modification related to images in commit 7f395ef.
Unfortunately many documents metadata fetched from the freeworld p2p
network have only partial information about embedded images. Without
proper error handling, this made many searches in p2p mode to fail
completely.
This should be a help to make a preview of search results.
The image is computed from the list of embedded images, it is
always the first image in that list.
In rss-type results the image is presented like
<media:content medium="image" url="https://abc.xyz/logo.png"/>
as defined in
http://www.rssboard.org/media-rss#media-content
This allow large files parsing and preview, while preventing unwanted
OutOfMemory errors which are likely to occur when adding to the Solr
Index resources larger than configured crawler limits.
Thus enable getpageinfo_p API to return something in a reasonable amount
of time on resources over MegaBytes size range.
Support added first with the generic XML parser, for other formats
regular crawler limits apply as usual.
As reported by davide on YaCy forums (
http://forum.yacy-websuche.de/viewtopic.php?f=23&t=6004 ) when the
system is on high load, unless reading carefully YaCy configuration
file, it could be difficult to understand why remote search results are
not fetched.
Otherwise on a malformed getpageinfo_p XML response (from the browser
point of view), JavaScript errors where thrown and the ajax status
steering wheel remained displayed indefinitely.
Especially for Turkish speaking users using "tr" as their system default
locale : strings for technical stuff (URLs, tag names, constants...)
must not be lower cased with the default locale, as 'I' doesn't becomes
'i' like in other locales such as "en", but becomes 'ı'.
This prevent rendering a big and inconvenient scrollbar on resources
containing many links.
If really needed, preview of all links is still available with a "Show
all links" button.
Doesn't affect the number of links used once the crawl is effectively
started, as the list is then loaded again server-side.
This enables keyword navigator to filter on keywords. Added search page
output and layout config for keywords, allowing e.g. in Intranet use
to display the keywords. No styling or links applied to the keyword
text (but is desirable possibly in combination with bootstrap-tagsinput
for future/intranet).
Redirections set for the transition of any eventual external uses:
- /api/getpageinfo.xml to /api/getpageinfo_p.xml
- /api/getpageinfo.json to /api/getpageinfo_p.json
Replaced by shortcuts defined by the HTML "accesskey" attribute which
has the advantage to be advertised by screen readers when focusing the
corresponding buttons, contrary to custom JavasScript key handlers.
Now With Firefox :
- "Alt + Shift + n" for next page
- "Alt + Shift + p" for previous page
Following ARIA recommendation : "keyboard shortcuts enhance, not
replace, standard keyboard access." ( see
https://www.w3.org/TR/wai-aria-practices/#kbd_shortcuts_behavior_design)
Fix for mantis 711 (http://mantis.tokeek.de/view.php?id=711)
Added as an additional icon with title in the search progress bar, to
inform about background search feeder threads terminated or still
running. While giving a bit more information to users about the p2p
search process, this can help choosing whether or not wait a little bit
more time before going to the next page, in order to get results from
various sources sorted as best as possible (see #91 for a discussion
about sorting accuracy and network latency).
Other related modifications included :
- regular updates to statistics in the progress bar until the
background feeders are completely terminated.
- removed some uses of unsecure and discouraged JavaScript elements
- added the new setting as configurable in the "Debug/Analysis" settings
page. Debug/analysis is its main purpose for now as there is currently
no nice and "understansable" ranking score info servlet (see forum
discussion http://forum.yacy-websuche.de/viewtopic.php?f=8&t=5884 )
- render in the "Search Page Layout" page preview when enabled
- added constants
