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### Steps to reproduce
1. User A shares calendar with User B
2. User B adds event to shared calendar via nextcloud web interface and invites attendees.
### Expected behaviour
- Attendee should receive an invitation to the event via email
### Actual behaviour
Invitation email is not sent. It does not matter if attendee is existing nextcloud user, a nextcloud contact or just an email address.
### Calendar app
**Calendar app version:** v2.0.2
**CalDAV-clients used:** Not tested via caldav
### Client configuration
**Browser:** Firefox 73.0.1
**Operating system:** Windows 10
**Browser2:** Opera 67.0.3575.53
**Operating system2:** Ubuntu 18.04 LTS
### Server configuration
**Operating system**: Ubuntu 18.04 LTS
**Web server:** Apache 2.4
**Database:** MariaDB
**PHP version:** 7.2
**Nextcloud Version:** 18.0.1
**Updated from an older installed version or fresh install:** Updated from older version.
**List of activated apps:**
**Nextcloud configuration:** {
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"passwordsalt": "***REMOVED SENSITIVE VALUE***",
"secret": "***REMOVED SENSITIVE VALUE***",
"trusted_domains": [
"***REMOVED SENSITIVE VALUE***"
],
"trusted_proxies": "***REMOVED SENSITIVE VALUE***",
"overwritehost": "***REMOVED SENSITIVE VALUE***",
"overwriteprotocol": "https",
"overwritecondaddr": "^***REMOVED SENSITIVE VALUE***$",
"trashbin_retention_obligation": "disabled",
"versions_retention_obligation": "disabled",
"datadirectory": "***REMOVED SENSITIVE VALUE***",
"overwrite.cli.url": "https:\/\/***REMOVED SENSITIVE VALUE***",
"htaccess.RewriteBase": "\/",
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"version": "18.0.1.3",
"dbname": "***REMOVED SENSITIVE VALUE***",
"dbhost": "***REMOVED SENSITIVE VALUE***",
"dbport": "",
"dbtableprefix": "oc_",
"mysql.utf8mb4": true,
"dbuser": "***REMOVED SENSITIVE VALUE***",
"dbpassword": "***REMOVED SENSITIVE VALUE***",
"installed": true,
"memcache.local": "\\OC\\Memcache\\APCu",
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"mail_domain": "***REMOVED SENSITIVE VALUE***",
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"mail_smtphost": "***REMOVED SENSITIVE VALUE***",
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"logtimezone": "Australia\/Perth",
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"notify_email_deck": "0",
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"notify_email_deck_comment": "0",
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"notify_setting_selfemail": "0",
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"bruteForce": {
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"previewsCleanedUp": "1",
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"shareapi_allow_resharing": "yes",
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"shareapi_enable_link_password_by_default": "no",
"shareapi_enforce_links_password": "no",
"shareapi_exclude_groups": "no",
"shareapi_exclude_groups_list": "[\"\"]",
"shareapi_expire_after_n_days": "15",
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"shareapi_only_share_with_group_members": "no",
"theming.variables": "7c20dc0c0d874ee9ff238b00bdccd866",
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"umgmt_show_backend": "true",
"umgmt_show_email": "true",
"umgmt_show_last_login": "true",
"umgmt_show_storage_location": "true",
"updater.secret.created": "1580825980",
"vendor": "nextcloud"
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"cospend": {
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"dashboard": {
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"dav": {
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"buildCalendarSearchIndex": "yes",
"chunks_migrated": "1",
"enabled": "yes",
"installed_version": "1.14.0",
"regeneratedBirthdayCalendarsForYearFix": "yes",
"sendInvitations": "yes",
"types": "filesystem"
},
"deck": {
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"installed_version": "0.8.0",
"types": "dav"
},
"encryption": {
"enabled": "yes",
"encryptHomeStorage": "0",
"installed_version": "2.6.0",
"masterKeyId": "***REMOVED SENSITIVE VALUE***",
"publicShareKeyId": "***REMOVED SENSITIVE VALUE***",
"recoveryAdminEnabled": "1",
"recoveryKeyId": "***REMOVED SENSITIVE VALUE***",
"types": "filesystem",
"useMasterKey": "0"
},
"end_to_end_encryption": {
"enabled": "yes",
"installed_version": "1.4.0",
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},
"event_update_notification": {
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"types": "logging,dav"
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"external": {
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},
"federatedfilesharing": {
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"installed_version": "1.8.0",
"types": ""
},
"federation": {
"autoAddServers": "0",
"enabled": "yes",
"installed_version": "1.8.0",
"types": "authentication"
},
"files": {
"cronjob_scan_files": "500",
"default_quota": "100 MB",
"enabled": "yes",
"installed_version": "1.13.1",
"types": "filesystem",
"watermark_allGroups": "no",
"watermark_allGroupsList": "",
"watermark_allTags": "no",
"watermark_allTagsList": "",
"watermark_enabled": "yes",
"watermark_linkAll": "no",
"watermark_linkRead": "no",
"watermark_linkSecure": "no",
"watermark_linkTags": "yes",
"watermark_linkTagsList": "7",
"watermark_shareAll": "no",
"watermark_shareRead": "no",
"watermark_text": "***REMOVED SENSITIVE VALUE***"
},
"files_accesscontrol": {
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"types": "filesystem"
},
"files_automatedtagging": {
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"outgoing_server2server_group_share_enabled": "yes",
"outgoing_server2server_share_enabled": "yes",
"types": "filesystem"
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"files_trackdownloads": {
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"types": "filesystem,dav"
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"choosenWhiteBlackList": "1",
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"logWithIpAddress": "1",
"logWithUserName": "1",
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},
"limit_login_to_ip": {
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},
"logreader": {
"enabled": "[\"***REMOVED SENSITIVE VALUE***\",\"***REMOVED SENSITIVE VALUE***\"]",
"installed_version": "2.3.0",
"levels": "11111",
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},
"lookup_server_connector": {
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},
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"enabled": "yes",
"info_email": "yes",
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"project_access_invalidated": "1",
"signaling_ticket_secret": "***REMOVED SENSITIVE VALUE***",
"stun_servers": "***REMOVED SENSITIVE VALUE***",
"turn_servers": "***REMOVED SENSITIVE VALUE***",
"types": "prevent_group_restriction"
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},
"survey_client": {
"enabled": "no",
"installed_version": "1.2.0",
"last_report": "{\"id\":\"ocnvkv91whws\",\"items\":[[\"server\",\"version\",\"12.0.4.3\"],[\"server\",\"code\",\"other\"],[\"server\",\"enable_avatars\",\"yes\"],[\"server\",\"enable_previews\",\"yes\"],[\"server\",\"memcache.local\",\"\\\\OC\\\\Memcache\\\\APCu\"],[\"server\",\"memcache.distributed\",\"none\"],[\"server\",\"asset-pipeline.enabled\",\"no\"],[\"server\",\"filelocking.enabled\",\"yes\"],[\"server\",\"memcache.locking\",\"none\"],[\"server\",\"debug\",\"no\"],[\"server\",\"cron\",\"cron\"],[\"php\",\"version\",\"7.0.22\"],[\"php\",\"memory_limit\",-1],[\"php\",\"max_execution_time\",0],[\"php\",\"upload_max_filesize\",2097152],[\"database\",\"type\",\"mysql\"],[\"database\",\"version\",\"5.5.58\"],[\"database\",\"size\",24444928],[\"apps\",\"activity\",\"2.5.2\"],[\"apps\",\"admin_audit\",\"1.2.0\"],[\"apps\",\"admin_notifications\",\"1.0.1\"],[\"apps\",\"apporder\",\"0.4.1\"],[\"apps\",\"bruteforcesettings\",\"1.0.3\"],[\"apps\",\"calendar\",\"1.5.7\"],[\"apps\",\"comments\",\"1.2.0\"],[\"apps\",\"contacts\",\"2.0.1\"],[\"apps\",\"dav\",\"1.3.0\"],[\"apps\",\"deck\",\"0.3.0\"],[\"apps\",\"encryption\",\"1.6.0\"],[\"apps\",\"federatedfilesharing\",\"1.2.0\"],[\"apps\",\"federation\",\"disabled\"],[\"apps\",\"files\",\"1.7.2\"],[\"apps\",\"files_clipboard\",\"0.6.5\"],[\"apps\",\"files_downloadactivity\",\"1.1.1\"],[\"apps\",\"files_external\",\"1.3.0\"],[\"apps\",\"files_pdfviewer\",\"1.1.1\"],[\"apps\",\"files_sharing\",\"1.4.0\"],[\"apps\",\"files_texteditor\",\"2.4.1\"],[\"apps\",\"files_trashbin\",\"1.2.0\"],[\"apps\",\"files_versions\",\"1.5.0\"],[\"apps\",\"files_videoplayer\",\"1.1.0\"],[\"apps\",\"firstrunwizard\",\"disabled\"],[\"apps\",\"gallery\",\"17.0.0\"],[\"apps\",\"groupfolders\",\"disabled\"],[\"apps\",\"issuetemplate\",\"disabled\"],[\"apps\",\"keeweb\",\"disabled\"],[\"apps\",\"logreader\",\"2.0.0\"],[\"apps\",\"lookup_server_connector\",\"1.0.0\"],[\"apps\",\"mail\",\"0.7.8\"],[\"apps\",\"metadata\",\"0.6.0\"],[\"apps\",\"nextcloud_announcements\",\"1.1\"],[\"apps\",\"notes\",\"2.3.2\"],[\"apps\",\"notifications\",\"2.0.0\"],[\"apps\",\"oauth2\",\"1.0.5\"],[\"apps\",\"ojsxc\",\"disabled\"],[\"apps\",\"passman\",\"2.1.4\"],[\"apps\",\"password_policy\",\"1.2.2\"],[\"apps\",\"polls\",\"0.8.0\"],[\"apps\",\"provisioning_api\",\"1.2.0\"],[\"apps\",\"quota_warning\",\"1.1.1\"],[\"apps\",\"rainloop\",\"5.0.6\"],[\"apps\",\"ransomware_protection\",\"1.0.5\"],[\"apps\",\"richdocuments\",\"1.12.40\"],[\"apps\",\"serverinfo\",\"1.2.0\"],[\"apps\",\"sharebymail\",\"1.2.0\"],[\"apps\",\"socialsharing_email\",\"1.0.3\"],[\"apps\",\"survey_client\",\"1.0.0\"],[\"apps\",\"systemtags\",\"disabled\"],[\"apps\",\"tasks\",\"0.9.5\"],[\"apps\",\"theming\",\"1.3.0\"],[\"apps\",\"twofactor_backupcodes\",\"1.1.1\"],[\"apps\",\"updatenotification\",\"1.2.0\"],[\"apps\",\"user_external\",\"0.4\"],[\"apps\",\"user_usage_report\",\"1.0.1\"],[\"apps\",\"workflowengine\",\"1.2.0\"],[\"stats\",\"num_files\",3989],[\"stats\",\"num_users\",14],[\"stats\",\"num_storages\",19],[\"stats\",\"num_storages_local\",5],[\"stats\",\"num_storages_home\",14],[\"stats\",\"num_storages_other\",0],[\"stats\",\"num_comments\",0],[\"stats\",\"num_comment_markers\",0],[\"stats\",\"num_systemtags\",1],[\"stats\",\"num_systemtags_mappings\",0],[\"files_sharing\",\"num_shares\",3],[\"files_sharing\",\"num_shares_user\",2],[\"files_sharing\",\"num_shares_groups\",0],[\"files_sharing\",\"num_shares_link\",0],[\"files_sharing\",\"num_shares_link_no_password\",0],[\"files_sharing\",\"num_fed_shares_sent\",0],[\"files_sharing\",\"num_fed_shares_received\",0],[\"files_sharing\",\"permissions_4_1\",\"1\"],[\"files_sharing\",\"permissions_0_31\",\"2\"],[\"encryption\",\"enabled\",\"yes\"]]}",
"last_sent": "1516156206",
"types": ""
},
"suspicious_login": {
"enabled": "yes",
"installed_version": "3.1.0",
"types": "authentication"
},
"systemtags": {
"enabled": "yes",
"installed_version": "1.8.0",
"types": "logging"
},
"tasks": {
"enabled": "yes",
"installed_version": "0.11.3",
"types": ""
},
"terms_of_service": {
"enabled": "yes",
"installed_version": "1.4.0",
"types": "filesystem"
},
"text": {
"enabled": "yes",
"installed_version": "2.0.0",
"types": "dav"
},
"theming": {
"backgroundMime": "backgroundColor",
"cachebuster": "49",
"color": "#6A6C7E",
"enabled": "yes",
"faviconMime": "image\/png",
"installed_version": "1.9.0",
"logoMime": "image\/png",
"name": ***REMOVED SENSITIVE VALUE***",
"slogan": "***REMOVED SENSITIVE VALUE***",
"types": "logging",
"url": "***REMOVED SENSITIVE VALUE***"
},
"theming_customcss": {
"enabled": "yes",
"installed_version": "1.5.0",
"types": ""
},
"timetracker": {
"enabled": "yes",
"installed_version": "0.0.42",
"types": ""
},
"twofactor_admin": {
"enabled": "yes",
"installed_version": "2.0.0",
"types": ""
},
"twofactor_backupcodes": {
"enabled": "yes",
"installed_version": "1.7.0",
"types": ""
},
"twofactor_email": {
"enabled": "yes",
"installed_version": "1.0.1",
"types": ""
},
"twofactor_nextcloud_notification": {
"***REMOVED SENSITIVE VALUE***": "1",
"enabled": "yes",
"***REMOVED SENSITIVE VALUE***": "1",
"installed_version": "2.2.0",
"types": ""
},
"twofactor_rcdevsopenotp": {
"enabled": "no",
"installed_version": "1.0.2",
"types": "prelogin,authentication"
},
"twofactor_totp": {
"enabled": "yes",
"installed_version": "4.1.2",
"types": ""
},
"updatenotification": {
"apporder": "0.8.0",
"audioplayer": "2.5.2",
"bookmarks": "2.3.1",
"bruteforcesettings": "1.4.0",
"calendar": "2.0.0",
"checksum": "0.4.4",
"contacts": "3.2.0",
"core": "17.0.3.1",
"cospend": "0.3.3",
"dashboard": "5.0.0",
"deck": "0.8.0",
"enabled": "yes",
"event_update_notification": "1.0.1",
"files_accesscontrol": "1.3.0",
"files_clipboard": "0.6.5",
"files_fulltextsearch": "1.1.1",
"files_mindmap": "0.0.17",
"files_rightclick": "0.15.1",
"fulltextsearch": "1.1.0",
"installed_version": "1.8.0",
"keeweb": "0.6.2",
"mail": "1.1.1",
"maps": "0.1.5",
"metadata": "0.10.0",
"notes": "3.1.5",
"ocsms": "2.1.3",
"onlyoffice": "4.1.4",
"passman": "2.3.5",
"polls": "1.3.0",
"quicknotes": "0.2.3",
"rainloop": "6.1.0",
"ransomware_protection": "1.1.1",
"richdocuments": "1.12.40",
"sharerenamer": "2.7.3",
"socialsharing_email": "1.0.6",
"spreed": "7.0.2",
"suspicious_login": "3.1.0",
"tasks": "0.11.3",
"terms_of_service": "1.3.1",
"theming": "1.4.5",
"theming_customcss": "1.4.0",
"timetracker": "0.0.42",
"twofactor_nextcloud_notification": "2.2.0",
"twofactor_totp": "4.1.2",
"types": "",
"update_check_errors": "0",
"user_usage_report": "1.1.2"
},
"user_external": {
"enabled": "no",
"installed_version": "0.4",
"types": "authentication,prelogin"
},
"user_usage_report": {
"enabled": "no",
"installed_version": "1.1.2",
"types": "filesystem"
},
"viewer": {
"enabled": "yes",
"installed_version": "1.2.0",
"types": ""
},
"workflowengine": {
"enabled": "yes",
"installed_version": "2.0.0",
"types": "filesystem"
},
"zimbradrive": {
"allow_zimbra_users_login": "false",
"enabled": "no",
"installed_version": "0.8.19",
"trust_invalid_certs": "true",
"types": "authentication,prelogin",
"use_ssl": "false",
"zimbra_port": "",
"zimbra_url": ""
}
}
}
### Logs
#### Web server error log (e.g. /var/log/apache)
No error gets logged when creating event.
#### Log file (data/nextcloud.log)
{"reqId":"Zmpjdv5VwOJLJhL8r9AD","level":0,"time":"2020-03-06T17:13:16+08:00","remoteAddr":"remote-IP","user":"User B","app":"no app in context","method":"PUT","url":"/remote.php/dav/calendars/User B/c1_shared_by_User A/461E50FB-9D58-4710-98A5-3C84604CA982.ics","message":"Deprecated event type for \\OCA\\DAV\\CalDAV\\CalDavBackend::createCalendarObject: Symfony\\Component\\EventDispatcher\\GenericEvent","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:73.0) Gecko/20100101 Firefox/73.0","version":"18.0.1.3","id":"5e6214772e6eb"}
#### Browser log