New feature: shareable user query (#6052)

* New feature: shareable user query
Share the output of a user query by RSS / HTML / OPML with other people through unique URLs.
Replaces the global admin token, which was the only option (but unsafe) to share RSS outputs with other people.
Also add a new HTML output for people without an RSS reader.

fix https://github.com/FreshRSS/FreshRSS/issues/3066#issuecomment-648977890
fix https://github.com/FreshRSS/FreshRSS/issues/3178#issuecomment-769435504

* Remove unused method

* Fix token saving

* Implement HTML view

* Update i18n for master token

* Revert i18n get_favorite

* Fix missing i18n for user queries from before this PR

* Remove irrelevant tests

* Add link to RSS version

* Fix getGet

* Fix getState

* Fix getSearch

* Alternative getSearch

* Default getOrder

* Explicit default state

* Fix test

* Add OPML sharing

* Remove many redundant SQL queries from original implementation of user queries

* Fix article tags

* Use default user settings

* Prepare public search

* Fixes

* Allow user search on article tags

* Implement user search

* Revert filter bug

* Revert wrong SQL left outer join change

* Implement checkboxes

* Safe check of OPML

* Fix label

* Remove RSS button to favour new sharing method
That sharing button was using a global admin token

* First version of HTTP 304

* Disallow some recusrivity
fix https://github.com/FreshRSS/FreshRSS/issues/6086

* Draft of nav

* Minor httpConditional

* Add support for offset for pagination

* Fix offset pagination

* Fix explicit order ASC

* Add documentation

* Help links i18n

* Note about deprecated master token

* Typo

* Doc about format

2 files changed, 15 insertions, 2 deletions

diff --git a/app/i18n/es/admin.php b/app/i18n/es/admin.php
index 1643ed814..2c83bf76d 100644
--- a/app/i18n/es/admin.php
+++ b/app/i18n/es/admin.php
@@ -19,8 +19,8 @@ return array(
 		'http' => 'HTTP (para usuarios avanzados con HTTPS)',
 		'none' => 'Ninguno (peligroso)',
 		'title' => 'Identificación',
-		'token' => 'Clave de identificación',
-		'token_help' => 'Permite el acceso a la salida RSS del usuario por defecto sin necesidad de identificación:',
+		'token' => 'Master authentication token',	// TODO
+		'token_help' => 'Allows access to all RSS outputs of the user as well as refreshing feeds without authentication:',	// TODO
 		'type' => 'Método de identificación',
 		'unsafe_autologin' => 'Permite la identificación automática insegura usando el formato: ',
 	),
diff --git a/app/i18n/es/conf.php b/app/i18n/es/conf.php
index 282f8e6c1..d03b1e45a 100644
--- a/app/i18n/es/conf.php
+++ b/app/i18n/es/conf.php
@@ -120,20 +120,33 @@ return array(
 			'feeds' => 'Mostrar por feed',
 			'order' => 'Ordenar por fecha',
 			'search' => 'Expresión',
+			'shareOpml' => 'Enable sharing by OPML of corresponding categories and feeds',	// TODO
+			'shareRss' => 'Enable sharing by HTML & RSS',	// TODO
 			'state' => 'Estado',
 			'tags' => 'Mostrar por etiqueta',
 			'type' => 'Tipo',
 		),
 		'get_all' => 'Mostrar todos los artículos',
+		'get_all_labels' => 'Display articles with any label',	// TODO
 		'get_category' => 'Mostrar la categoría “%s”',
 		'get_favorite' => 'Mostrar artículos favoritos',
 		'get_feed' => 'Mostrar fuente “%s”',
+		'get_important' => 'Display articles from important feeds',	// TODO
+		'get_label' => 'Display articles with “%s” label',	// TODO
+		'help' => 'See the <a href="https://freshrss.github.io/FreshRSS/en/users/user_queries.html" target="_blank">documentation for user queries and resharing by HTML / RSS / OPML</a>.',	// TODO
 		'name' => 'Nombre',
 		'no_filter' => 'Sin filtro',
 		'number' => 'Consulta n° %d',
 		'order_asc' => 'Mostrar primero los artículos más antiguos',
 		'order_desc' => 'Mostrar primero los artículos más recientes',
 		'search' => 'Buscar “%s”',
+		'share' => array(
+			'_' => 'Share this query by link',	// TODO
+			'help' => 'Give this link if you want to share this query with anyone',	// TODO
+			'html' => 'Shareable link to the HTML page',	// TODO
+			'opml' => 'Shareable link to the OPML list of feeds',	// TODO
+			'rss' => 'Shareable link to the RSS feed',	// TODO
+		),
 		'state_0' => 'Mostrar todos los artículos',
 		'state_1' => 'Mostrar artículos leídos',
 		'state_2' => 'Mostrar artículos pendientes',