4 files changed, 106 insertions, 0 deletions
diff --git a/slixmpp/plugins/__init__.py b/slixmpp/plugins/__init__.py
index cc98255e..ac7482ee 100644
--- a/slixmpp/plugins/__init__.py
+++ b/slixmpp/plugins/__init__.py
@@ -23,6 +23,7 @@ __all__ = [
     'xep_0049',  # Private XML Storage
     'xep_0050',  # Ad-hoc Commands
     'xep_0054',  # vcard-temp
+    'xep_0055',  # Jabber Search
     'xep_0059',  # Result Set Management
     'xep_0060',  # Pubsub (Client)
     'xep_0065',  # SOCKS5 Bytestreams
diff --git a/slixmpp/plugins/xep_0055/__init__.py b/slixmpp/plugins/xep_0055/__init__.py
new file mode 100644
index 00000000..981cf960
--- /dev/null
+++ b/slixmpp/plugins/xep_0055/__init__.py
@@ -0,0 +1,6 @@
+from slixmpp.plugins.base import register_plugin
+
+from .search import XEP_0055
+
+
+register_plugin(XEP_0055)
diff --git a/slixmpp/plugins/xep_0055/search.py b/slixmpp/plugins/xep_0055/search.py
new file mode 100644
index 00000000..a45b52a7
--- /dev/null
+++ b/slixmpp/plugins/xep_0055/search.py
@@ -0,0 +1,89 @@
+import logging
+
+from slixmpp import CoroutineCallback, StanzaPath, Iq, register_stanza_plugin
+from slixmpp.plugins import BasePlugin
+from slixmpp.xmlstream import StanzaBase
+
+from . import stanza
+
+
+class XEP_0055(BasePlugin):
+    """
+    XEP-0055: Jabber Search
+
+    The config options are only useful for a "server-side" search feature,
+    and if the ``provide_search`` option is set to True.
+
+    API
+    ===
+
+    ``search_get_form``: customize the search form content (ie fields)
+
+    ``search_query``: return search results
+    """
+    name = "xep_0055"
+    description = "XEP-0055: Jabber search"
+    dependencies = {"xep_0004", "xep_0030"}
+    stanza = stanza
+    default_config = {
+        "form_fields": {"first", "last"},
+        "form_instructions": "",
+        "form_title": "",
+        "provide_search": True
+    }
+
+    def plugin_init(self):
+        register_stanza_plugin(Iq, stanza.Search)
+        register_stanza_plugin(stanza.Search, self.xmpp["xep_0004"].stanza.Form)
+
+        if self.provide_search:
+            self.xmpp["xep_0030"].add_feature(stanza.Search.namespace)
+            self.xmpp.register_handler(
+                CoroutineCallback(
+                    "search",
+                    StanzaPath("/iq/search"),
+                    self._handle_search,
+                )
+            )
+            self.api.register(self._get_form, "search_get_form")
+            self.api.register(self._get_results, "search_query")
+
+    async def _handle_search(self, iq: StanzaBase):
+        if iq["search"]["form"].get_values():
+            reply = await self.api["search_query"](None, None, iq.get_from(), iq)
+            reply["search"]["form"]["type"] = "result"
+        else:
+            reply = await self.api["search_get_form"](None, None, iq.get_from(), iq)
+        reply["search"]["form"].add_field(
+            "FORM_TYPE", value=stanza.Search.namespace, ftype="hidden"
+        )
+        reply.send()
+
+    async def _get_form(self, jid, node, ifrom, iq):
+        reply = iq.reply()
+        form = reply["search"]["form"]
+        form["title"] = self.form_title
+        form["instructions"] = self.form_instructions
+        for field in self.form_fields:
+            form.add_field(field)
+        return reply
+
+    async def _get_results(self, jid, node, ifrom, iq):
+        reply = iq.reply()
+        form = reply["search"]["form"]
+        form["type"] = "result"
+
+        for field in self.form_fields:
+            form.add_reported(field)
+        return reply
+
+    def make_search_iq(self, **kwargs):
+        iq = self.xmpp.make_iq(itype="set", **kwargs)
+        iq["search"]["form"].set_type("submit")
+        iq["search"]["form"].add_field(
+            "FORM_TYPE", value=stanza.Search.namespace, ftype="hidden"
+        )
+        return iq
+
+
+log = logging.getLogger(__name__)
diff --git a/slixmpp/plugins/xep_0055/stanza.py b/slixmpp/plugins/xep_0055/stanza.py
new file mode 100644
index 00000000..18bccf7e
--- /dev/null
+++ b/slixmpp/plugins/xep_0055/stanza.py
@@ -0,0 +1,10 @@
+from typing import Set, ClassVar
+
+from slixmpp.xmlstream import ElementBase
+
+
+class Search(ElementBase):
+    namespace = "jabber:iq:search"
+    name = "query"
+    plugin_attrib = "search"
+    interfaces: ClassVar[Set[str]] = set()