add paywall-bypass flow
Runs every 5 min. Detects paywalled articles (known domains + short content). For scientific: tries Unpaywall API (DOI-based OA lookup) first, falls back to Wallabag. Writes full text back to Miniflux entry so reader shows it inline.
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{
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"name": "paywall-bypass",
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"nodes": [
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{
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"id": "86fa097b-c230-484d-806d-45b421635c05",
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"name": "Every 5 Minutes",
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"type": "n8n-nodes-base.scheduleTrigger",
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"typeVersion": 1.2,
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"position": [
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-800,
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0
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],
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"parameters": {
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"rule": {
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"interval": [
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{
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"field": "minutes",
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"minutesInterval": 5
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}
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]
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}
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}
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},
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{
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"id": "70be11ba-e47d-4536-9326-3988fb8d4b50",
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"name": "Wallabag Token",
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"type": "n8n-nodes-base.httpRequest",
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"typeVersion": 4.2,
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"position": [
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-580,
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0
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],
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"parameters": {
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"method": "POST",
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"url": "http://192.168.1.40:17004/oauth/v2/token",
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"sendBody": true,
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"contentType": "form-urlencoded",
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"bodyParameters": {
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"parameters": [
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{
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"name": "grant_type",
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"value": "password"
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},
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{
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"name": "client_id",
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"value": "1_nuclide2026"
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},
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{
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"name": "client_secret",
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"value": "nuclide-api-secret-2026"
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},
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{
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"name": "username",
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"value": "wallabag"
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},
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{
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"name": "password",
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"value": "tapirnase"
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}
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]
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},
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"options": {}
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}
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},
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{
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"id": "eb644570-cca3-4464-9b99-02084f199078",
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"name": "Get Miniflux Entries",
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"type": "n8n-nodes-base.httpRequest",
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"typeVersion": 4.2,
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"position": [
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-360,
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0
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],
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"parameters": {
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"method": "GET",
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"url": "http://192.168.1.40:17002/v1/entries",
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"sendHeaders": true,
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"headerParameters": {
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"parameters": [
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{
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"name": "X-Auth-Token",
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"value": "3f439f2db55967ed5acd83398214d2aa76124927cde07115d945b9282597fecb"
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}
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]
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},
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"sendQuery": true,
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"queryParameters": {
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"parameters": [
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{
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"name": "status",
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"value": "unread"
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},
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{
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"name": "limit",
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"value": "100"
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},
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{
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"name": "order",
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"value": "published_at"
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},
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{
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"name": "direction",
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"value": "desc"
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}
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]
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},
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"options": {}
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}
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},
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{
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"id": "f8024262-3163-4cd9-8233-3c91bfddcb01",
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"name": "Process Entries",
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"type": "n8n-nodes-base.code",
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"typeVersion": 2,
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"position": [
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-120,
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0
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],
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"parameters": {
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"mode": "runOnceForAllItems",
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"jsCode": "const MINIFLUX_TOKEN = '3f439f2db55967ed5acd83398214d2aa76124927cde07115d945b9282597fecb';\nconst WALLABAG_URL = 'http://192.168.1.40:17004';\nconst MINIFLUX_URL = 'http://192.168.1.40:17002';\n\nconst PAYWALL_NEWS = [\n 'spiegel.de','zeit.de','faz.net','sueddeutsche.de','handelsblatt.com',\n 'nytimes.com','wsj.com','ft.com','washingtonpost.com','thetimes.co.uk',\n 'wired.com','theatlantic.com','economist.com','bloomberg.com',\n 'hbr.org','foreignpolicy.com','newyorker.com','taz.de',\n 'telegraph.co.uk','businessinsider.com'\n];\n\nconst PAYWALL_SCIENCE = [\n 'nature.com','science.org','cell.com','nejm.org','thelancet.com',\n 'link.springer.com','springer.com','wiley.com','onlinelibrary.wiley.com',\n 'sciencedirect.com','pubs.acs.org','rsc.org','pubs.rsc.org',\n 'bmj.com','annualreviews.org','pnas.org',\n 'jamanetwork.com','ahajournals.org','tandfonline.com','academic.oup.com'\n];\n\nconst CONTENT_MIN = 800;\nconst cutoff = (Date.now() / 1000) - 360;\n\nfunction extractDoi(url) {\n let m = url.match(/doi\\.org\\/(10\\.\\d{4,}\\/[^\\s?#]+)/);\n if (m) return decodeURIComponent(m[1]);\n m = url.match(/\\/doi\\/(10\\.\\d{4,}\\/[^\\s?#]+)/);\n if (m) return decodeURIComponent(m[1].replace(/[?#].*$/, ''));\n return null;\n}\n\nfunction hostname(url) {\n try { return new URL(url).hostname.replace(/^www\\./, ''); } catch { return ''; }\n}\n\nfunction badge(source, type) {\n if (source === 'unpaywall') return '<p style=\"font-size:0.8em;color:#555;border-left:3px solid #4CAF50;padding:3px 8px;margin:0 0 1em\">\ud83d\udcda Open access via Unpaywall</p>';\n if (type === 'science') return '<p style=\"font-size:0.8em;color:#555;border-left:3px solid #2196F3;padding:3px 8px;margin:0 0 1em\">\ud83d\udcda Full text via Wallabag (not OA)</p>';\n return '<p style=\"font-size:0.8em;color:#555;border-left:3px solid #FF9800;padding:3px 8px;margin:0 0 1em\">\ud83d\udcd6 Paywall bypass via Wallabag</p>';\n}\n\nconst wbToken = $('Wallabag Token').first().json.access_token;\nconst entries = $('Get Miniflux Entries').first().json.entries || [];\n\nconst results = [];\n\nfor (const e of entries) {\n const pub = new Date(e.published_at).getTime() / 1000;\n if (pub < cutoff) continue;\n\n const host = hostname(e.url);\n const isScience = PAYWALL_SCIENCE.some(d => host === d || host.endsWith('.' + d));\n const isNews = PAYWALL_NEWS.some(d => host === d || host.endsWith('.' + d));\n const isShort = (e.content || '').replace(/<[^>]+>/g, '').trim().length < CONTENT_MIN;\n\n if (!isScience && !isNews && !isShort) continue;\n\n const type = isScience ? 'science' : isNews ? 'news' : 'short';\n let fetchUrl = e.url;\n let source = 'wallabag';\n\n // Try Unpaywall for scientific articles with a DOI\n if (isScience) {\n const doi = extractDoi(e.url);\n if (doi) {\n try {\n const up = await $helpers.httpRequest({\n method: 'GET',\n url: `https://api.unpaywall.org/v2/${encodeURIComponent(doi)}?email=fkrebs@nucli.de`,\n });\n if (up.is_oa && up.best_oa_location) {\n const oaUrl = up.best_oa_location.url || up.best_oa_location.url_for_pdf;\n if (oaUrl) { fetchUrl = oaUrl; source = 'unpaywall'; }\n }\n } catch (_) {}\n }\n }\n\n // Fetch full text via Wallabag\n let wbContent = '';\n try {\n const wb = await $helpers.httpRequest({\n method: 'POST',\n url: `${WALLABAG_URL}/api/entries`,\n headers: { 'Authorization': `Bearer ${wbToken}`, 'Content-Type': 'application/json' },\n body: JSON.stringify({ url: fetchUrl }),\n });\n wbContent = wb.content || '';\n } catch (_) {}\n\n if (!wbContent) {\n results.push({ json: { entry_id: e.id, title: e.title, status: 'no_content', source, type } });\n continue;\n }\n\n const finalContent = badge(source, type) + wbContent;\n\n // Update Miniflux entry content\n try {\n await $helpers.httpRequest({\n method: 'PUT',\n url: `${MINIFLUX_URL}/v1/entries/${e.id}`,\n headers: { 'X-Auth-Token': MINIFLUX_TOKEN, 'Content-Type': 'application/json' },\n body: JSON.stringify({ content: finalContent }),\n });\n results.push({ json: { entry_id: e.id, title: e.title, status: 'updated', source, type } });\n } catch (err) {\n results.push({ json: { entry_id: e.id, title: e.title, status: 'update_error', error: String(err), source, type } });\n }\n}\n\nif (results.length === 0) return [{ json: { status: 'no_candidates', checked: entries.length } }];\nreturn results;"
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}
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}
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],
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"connections": {
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"Every 5 Minutes": {
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"main": [
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[
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{
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"node": "Wallabag Token",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Wallabag Token": {
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"main": [
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[
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{
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"node": "Get Miniflux Entries",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Get Miniflux Entries": {
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"main": [
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[
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{
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"node": "Process Entries",
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"type": "main",
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"index": 0
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}
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]
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]
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}
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},
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"settings": {
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"executionOrder": "v1"
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},
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"id": "86e09d66-edea-4fef-b534-ae1383e954ce"
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}
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